Organization record
EDUCATION REALTY TRUST, 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 |
|---|---|---|---|
| cash_and_equivalents | {"amount": 9502000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 22902000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24787000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 47462000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 33496000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 34922000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 34475000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 115486000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 230402000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 195848000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 33742000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14169000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 17082000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 23640000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18385000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18422000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11162000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8969000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 22073000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16335000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 10964000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14508000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 17039000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 127623000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8414000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 21305000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 75813000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 47342000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 71289000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 75609000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6958000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 27960000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 23348000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6958000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9003000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 18341000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 27393000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2018-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 29155000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 41569000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 42636000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 42313000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2016-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 43526000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2015-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 28727000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2014-12-31 | sec_edgar |
| cashflow_financing | {"amount": 72261000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2018-06-30 | sec_edgar |
| cashflow_financing | {"amount": 9309000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2018-03-31 | sec_edgar |
| cashflow_financing | {"amount": 407657000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-12-31 | sec_edgar |
| cashflow_financing | {"amount": 327380000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-09-30 | sec_edgar |
| cashflow_financing | {"amount": 243637000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-06-30 | sec_edgar |
| cashflow_financing | {"amount": 183297000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-03-31 | sec_edgar |
| cashflow_financing | {"amount": 393621000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2016-12-31 | sec_edgar |
| cashflow_financing | {"amount": 384725000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2016-09-30 | sec_edgar |
| cashflow_financing | {"amount": 397355000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2016-06-30 | sec_edgar |
| cashflow_financing | {"amount": 162658000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2016-03-31 | sec_edgar |
| cashflow_financing | {"amount": 162218000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2015-12-31 | sec_edgar |
| cashflow_financing | {"amount": 140220000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2015-09-30 | sec_edgar |
| cashflow_financing | {"amount": 66238000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2015-06-30 | sec_edgar |
| cashflow_financing | {"amount": 24125000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2015-03-31 | sec_edgar |
| cashflow_financing | {"amount": 142866000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2014-12-31 | sec_edgar |
| cashflow_financing | {"amount": 171245000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2014-09-30 | sec_edgar |
| cashflow_financing | {"amount": 45717000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_financing | {"amount": 1759000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": 225940000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": 196758000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": 59577000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": 33458000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": 258780000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": 164358000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 5299000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -10138000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": 194631000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 94995000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": 59090000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 63667000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -36006000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -7076000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -13456000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 30569000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -149654000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2018-06-30 | sec_edgar |
| cashflow_investing | {"amount": -42033000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2018-03-31 | sec_edgar |
| cashflow_investing | {"amount": -572259000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2017-12-31 | sec_edgar |
| cashflow_investing | {"amount": -435275000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2017-09-30 | sec_edgar |
| cashflow_investing | {"amount": -313599000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2017-06-30 | sec_edgar |
| cashflow_investing | {"amount": -228589000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2017-03-31 | sec_edgar |
| cashflow_investing | {"amount": -527465000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2016-12-31 | sec_edgar |
| cashflow_investing | {"amount": -402603000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2016-09-30 | sec_edgar |
| cashflow_investing | {"amount": -260838000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2016-06-30 | sec_edgar |
| cashflow_investing | {"amount": -38102000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2016-03-31 | sec_edgar |
| cashflow_investing | {"amount": -246176000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2015-12-31 | sec_edgar |
| cashflow_investing | {"amount": -210673000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2015-09-30 | sec_edgar |
| cashflow_investing | {"amount": -113186000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2015-06-30 | sec_edgar |
| cashflow_investing | {"amount": -47699000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2015-03-31 | sec_edgar |
| cashflow_investing | {"amount": -235775000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2014-12-31 | sec_edgar |
| cashflow_investing | {"amount": -246176000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2014-09-30 | sec_edgar |
| cashflow_investing | {"amount": -93288000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": -32046000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": -298313000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": -261038000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": -103073000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -55848000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -368948000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -146650000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -93938000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -54864000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -159813000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -80491000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -9743000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": 315000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -20474000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -22130000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -6868000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -41638000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 66579000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2018-06-30 | sec_edgar |
| cashflow_operating | {"amount": 30962000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2018-03-31 | sec_edgar |
| cashflow_operating | {"amount": 151444000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2017-12-31 | sec_edgar |
| cashflow_operating | {"amount": 120882000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2017-09-30 | sec_edgar |
| cashflow_operating | {"amount": 69218000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2017-06-30 | sec_edgar |
| cashflow_operating | {"amount": 45615000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2017-03-31 | sec_edgar |
| cashflow_operating | {"amount": 132631000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2016-12-31 | sec_edgar |
| cashflow_operating | {"amount": 99622000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-09-30 | sec_edgar |
| cashflow_operating | {"amount": 60143000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-06-30 | sec_edgar |
| cashflow_operating | {"amount": 37550000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-03-31 | sec_edgar |
| cashflow_operating | {"amount": 98757000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-12-31 | sec_edgar |
| cashflow_operating | {"amount": 66237000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": 45645000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 28829000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": 89221000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": 71280000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-09-30 | sec_edgar |
| cashflow_operating | {"amount": 36660000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": 17183000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": 77407000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": 63576000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": 37421000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 19859000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 51394000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 34102000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 21240000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 10494000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 34037000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 25880000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 14984000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 4669000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 32269000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 25997000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 12503000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 33235000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 80581104, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 75808889, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 75779932, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 75751216, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 73194924, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-06-30 | sec_edgar |
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