Organization record
ALTERRA CAPITAL HOLDINGS LTD
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 |
|---|---|---|---|
| cash_and_equivalents | {"amount": 958108000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 440298000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 405809000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 763957000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 394514000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 469477000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 427898000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 987057000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1001051000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 555697000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 925752000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 741684000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 690246000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 477896000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1056011000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1008178000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 949404000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 397656000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2007-12-31 | sec_edgar |
| cashflow_financing | {"amount": -18360000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -232532000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -211672000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": -165637000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -63298000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -281208000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -214551000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -170056000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -151262000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -417027000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -291822000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -371570000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -22808000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_financing | {"amount": -498999000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_financing | {"amount": -463731000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-09-30 | sec_edgar |
| cashflow_financing | {"amount": -348473000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-06-30 | sec_edgar |
| cashflow_financing | {"amount": -93169000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2008-12-31 | sec_edgar |
| cashflow_investing | {"amount": 506801000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -106927000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -108534000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -155212000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -89295000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -29532000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -179563000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": 94442000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": 192847000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 192416000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": 352639000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": 256647000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -23303000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": 29191000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": 293468000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_investing | {"amount": 322672000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_investing | {"amount": 193950000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2008-12-31 | sec_edgar |
| cashflow_operating | {"amount": 28944000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 313113000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 257238000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 165377000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 68042000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 235567000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 275475000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 148705000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 46909000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 308297000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 169013000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 173781000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 46800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": 193152000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 249851000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_operating | {"amount": 52295000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-06-30 | sec_edgar |
| cashflow_operating | {"amount": 481985000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2008-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 96192368, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 96059645, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 95985461, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 96853334, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 100707484, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 102101950, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 104323873, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 105794521, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 105733610, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 110963160, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 115898860, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 118643363, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 55867125, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96133957, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-04-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96192368, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96072593, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-02-22 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96059645, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 95980978, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-11-06 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 95985461, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96043027, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-08-06 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 96853334, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100505784, "concept": "dei:EntityCommonStockSharesOutstanding" | 2012-05-04 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100707484, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100939218, "concept": "dei:EntityCommonStockSharesOutstanding" | 2012-02-21 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 102101950, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 104322865, "concept": "dei:EntityCommonStockSharesOutstanding" | 2011-11-02 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 104323873, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 105794457, "concept": "dei:EntityCommonStockSharesOutstanding" | 2011-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 105749521, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 105875813, "concept": "dei:EntityCommonStockSharesOutstanding" | 2011-05-04 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 105733610, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 105164840, "concept": "dei:EntityCommonStockSharesOutstanding" | 2011-02-18 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 110963160, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 115374775, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-10-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 115898860, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 117896497, "concept": "dei:EntityCommonStockSharesOutstanding" | 2010-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 118643363, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 55867125, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2009-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 96133957} | 2013-04-23 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 96072593} | 2013-02-22 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 95980978} | 2012-11-06 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 96043027} | 2012-08-06 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100505784} | 2012-05-04 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100939218} | 2012-02-21 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 104322865} | 2011-11-02 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 105794457} | 2011-07-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 105875813} | 2011-05-04 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 105164840} | 2011-02-18 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 115374775} | 2010-10-29 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 117896497} | 2010-07-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 1940068561, "currency": "USD"} | 2012-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 2030647478, "currency": "USD"} | 2011-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 1954724789, "currency": "USD"} | 2010-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2013-02-05 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-11-08 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-11-06 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-08-07 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-08-07 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-05-08 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-02-08 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-11-01 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-08-02 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-08-01 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.12, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-05-03 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.12, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-03-03 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.12, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-02-08 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.12, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-11-02 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.12, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-08-03 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 2.5, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-05-20 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-05-03 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-02-09 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.04, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2013-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.54, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.47, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.39, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.98, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.58, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.79, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.78, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2011-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.62, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.46, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.31, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.13, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.44, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.7, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 3.19, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.52, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.71, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.14, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.9, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.64, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 4.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 3.22, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.67, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.55, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.77, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -3.1, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.99, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2013-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.54, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2012-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.43, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.93, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.38, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.54, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.78, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.77, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2011-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.61, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.32, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.46, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.13, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2011-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.44, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 3.17, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.69, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.5, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.7, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.13, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.88, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.63, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 4.26, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.64, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 3.18, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.54, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.76, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -3.1, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2008-12-31 | sec_edgar |
| goodwill | {"amount": 19173000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2012-12-31 | sec_edgar |
| goodwill | {"amount": 19173000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-12-31 | sec_edgar |
| goodwill | {"amount": 20173000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-12-31 | sec_edgar |
| goodwill | {"amount": 20173000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2009-12-31 | sec_edgar |