Quarterly report pursuant to Section 13 or 15(d)

Schedule of Outstanding Derivatives (Details)

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Schedule of Outstanding Derivatives (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Schedule Of Outstanding Derivatives Details    
Notional amount of interest rate swap agreements $ 154,795 $ 848,434
Notional amount of interest rate cap agreements 0 104,205
Amount of (loss) recognized in OCI on effective portion (13,883) (69,908)
Deferred hedge gain (loss) related to anticipated financings, which have subsequently occurred, net of amortization 253 299
Deferred hedge gain (loss) related to dedesignation, net of amortization (226) (893)
Expected reclassification of deferred hedges from AOCI into earnings over the next 12 months 3 1,688
Expected reclassification of current hedges from AOCI into earnings over the next 12 months (6,269) (35,348)
Notional amount of interest rate swap agreements 296,532 316,600
Notional amount of interest rate cap agreements $ 23,400 $ 36,428