XML 24 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivative Financial Instruments Derivative Instruments Designated as Cash Flow Hedges OCI Activity (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Derivatives [Line Items]        
Effective portion of changes in fair value recognized in OCI $ (257) $ 592 $ 16,455 $ 1,655
Derivative Designated as Cash Flow Hedges [Member] | Interest Rate Swap [Member]
       
Derivatives [Line Items]        
Effective portion of changes in fair value recognized in OCI $ (257) $ 592 $ 16,455 $ 1,655