XML 76 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivative Instruments Interest Rate Swaps (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Interest Rate Swap [Member]
Dec. 31, 2012
Not Designated as Hedging Instrument [Member]
Interest Rate Swap [Member]
Jun. 30, 2013
Derivative Counterparty, SunTrust [Member]
Not Designated as Hedging Instrument [Member]
Years
Jun. 30, 2013
Derivative Counterparty, SunTrust [Member]
Not Designated as Hedging Instrument [Member]
Interest Rate Swap [Member]
Dec. 31, 2012
Derivative Counterparty, SunTrust [Member]
Not Designated as Hedging Instrument [Member]
Interest Rate Swap [Member]
Derivative [Line Items]              
Derivative, Cap Interest Rate         2.50%    
Derivative, Notional Amount           $ 85,500,000  
Derivative, Fixed Interest Rate           2.415%  
Derivative Liability, Fair Value, Gross Liability     0 4,261,000   274,000 (4,261,000)
Derivative Instruments, Interest Rate Swaps and Caps, Duration         7    
Derivative, Collateral, Obligation to Return Cash $ 572,200,000 $ 328,700,000     $ 6,400,000