Organization record
AMBASSADORS GROUP INC
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_receivable | {"amount": 179000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 405000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 53000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 666000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1071000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1421000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1312000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 1792000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1022000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 905000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1353000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 850000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 819000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1556000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 4112000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 1395000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1140000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1262000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1976000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 488000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-09-30 | sec_edgar |
| capex | {"amount": 488000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-06-30 | sec_edgar |
| capex | {"amount": 336000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-03-31 | sec_edgar |
| capex | {"amount": 1249000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-12-31 | sec_edgar |
| capex | {"amount": 1202000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-09-30 | sec_edgar |
| capex | {"amount": 952000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-06-30 | sec_edgar |
| capex | {"amount": 678000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-03-31 | sec_edgar |
| capex | {"amount": 3110000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-12-31 | sec_edgar |
| capex | {"amount": 2413000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-09-30 | sec_edgar |
| capex | {"amount": 1799000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 606000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-03-31 | sec_edgar |
| capex | {"amount": 5139000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 4589000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 2704000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-06-30 | sec_edgar |
| capex | {"amount": 719000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-03-31 | sec_edgar |
| capex | {"amount": 3101000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 2536000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-09-30 | sec_edgar |
| capex | {"amount": 1895000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-06-30 | sec_edgar |
| capex | {"amount": 915000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-03-31 | sec_edgar |
| capex | {"amount": 4461000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 3534000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-09-30 | sec_edgar |
| capex | {"amount": 2498000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-06-30 | sec_edgar |
| capex | {"amount": 5157000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1449000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6929000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4500000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2002000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3550000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 10412000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12574000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9473000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4775000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4494000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8299000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6150000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3930000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3062000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 10040000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 19519000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5217000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5617000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5406000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6838000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3219000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7643000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7656000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6989000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": -312000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-12-31 | sec_edgar |
| cashflow_financing | {"amount": -297000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-09-30 | sec_edgar |
| cashflow_financing | {"amount": -295000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-06-30 | sec_edgar |
| cashflow_financing | {"amount": -15000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": -3658000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": -3601000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": -3593000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": -1850000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -16415000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -3426000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": -2342000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -1191000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -11461000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -10539000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -8088000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -6386000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -17741000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -7548000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -3591000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -4271000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -10035000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-12-31 | sec_edgar |
| cashflow_investing | {"amount": -3914000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-09-30 | sec_edgar |
| cashflow_investing | {"amount": -11754000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": -16249000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": -7774000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": -7030000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": -21478000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -16132000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": 827000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -12063000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -42800000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -35222000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": 30797000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": 23603000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -12828000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -11482000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -4716000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -5785000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -29939000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -11200000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": -5466000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": 9819000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 17442000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": 2876000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1712000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-09-30 | sec_edgar |
| cashflow_operating | {"amount": 12988000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": 19365000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": 14755000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": 9256000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": 23415000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 20131000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 2219000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": -100000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 28685000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 26934000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": -6655000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": -14685000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 19695000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 16436000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 21639000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 8896000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 33517000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 16138000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17575337, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17067907, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17284554, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 16944812, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17044905, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17038508, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17039367, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17040724, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 16983331, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 16986843, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 16948922, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17047470, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17615754, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17606409, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17575722, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17588088, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17495344000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 18255557, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17575337, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-10-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17575337, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17139091, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-08-10 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17067907, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17300706, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-05-08 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17284554, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17285992, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-03-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16944812, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17043625, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-11-10 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17044905, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17039992, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-07-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17038508, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17038707, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-04-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17039367, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17039508, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-03-13 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17040724, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16983331, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16983331, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16983331, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-07-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16986843, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16948822, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 16948922, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17028749, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-02-25 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17047470, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17615754, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-10-27 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17615754, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17604307, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-07-27 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17606409, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17575722, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-04-27 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17575722, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17590300, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17588088, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17492719, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-11-02 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17495344000, "concept": "us-gaap:CommonStockSharesOutstanding" | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 17703567, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-07-25 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 18255557, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| current_assets | {"amount": 56558000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| current_assets | {"amount": 83501000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| current_assets | {"amount": 85618000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| current_assets | {"amount": 63905000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| current_assets | {"amount": 59204000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| current_assets | {"amount": 76899000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| current_assets | {"amount": 82783000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| current_assets | {"amount": 55803000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| current_assets | {"amount": 49674000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| current_assets | {"amount": 83694000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_assets | {"amount": 84101000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 57397000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_assets | {"amount": 63914000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_assets | {"amount": 108619000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_assets | {"amount": 111006000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 74009000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 68298000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |