Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements and Derivatives - Effects of Interest Rates Swaps Which Was Not Designated As Cash Flow Hedge (Details 10)

v2.4.1.9
Fair Value Measurements and Derivatives - Effects of Interest Rates Swaps Which Was Not Designated As Cash Flow Hedge (Details 10) (Not Designated as Hedging Instrument, Interest Rate Swap, USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Not Designated as Hedging Instrument | Interest Rate Swap
    
Derivative Instruments Gain Loss [Line Items]    
Loss recognized in other income (expense) $ (2)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember