Annual report pursuant to Section 13 and 15(d)

Schedule of Outstanding Derivatives (Details)

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Schedule of Outstanding Derivatives (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
Restated
Notional amount of interest rate swap agreements $ 154,450 $ 848,434  
Notional amount of interest rate cap agreements    104,205  
Amount of (loss) recognized in OCI on effective portion (12,050)   (69,908)
Deferred hedge gain (loss) related to anticipated financings, which have subsequently occurred, net of amortization 237   299
Deferred hedge gain (loss) related to dedesignation, net of amortization (210)   (893)
Expected reclassification of deferred hedges from AOCI into earnings over the next 12 months 4   1,688
Expected reclassification of current hedges from AOCI into earnings over the next 12 months (6,259)   (35,348)
Notional amount of interest rate swap agreements 294,203 316,600  
Notional amount of interest rate cap agreements $ 23,400 $ 36,428