Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments Financial Instruments - Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details)

v2.4.0.8
Financial Instruments Financial Instruments - Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details) (Interest Rate Contract [Member], USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative Instruments, Gain (Loss) in Other Comprehensive Income $ 0 $ 0 $ 0 $ (30)
Derivative Instruments, Gain (Loss) Reclassified from AOCI into Interest Expenese (Effective Portion) 0 0 0 0
Derivative Instruments, Losses Reclassified into Earnings as a Result of Discontinuance of Cash Flow Hedge Accounting 0 (167) 0 (167)
Designated as Hedging Instrument [Member]
        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative Instruments, Gain (Loss) in Other Comprehensive Income 0 0 0 21,297
Derivative Instruments, Gain (Loss) Reclassified from AOCI into Interest Expenese (Effective Portion) 0 0 0 0
Derivative Instruments, Losses Reclassified into Earnings as a Result of Discontinuance of Cash Flow Hedge Accounting $ 0 $ (5,806) $ 0 $ (5,806)