Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities- Fair Value of Derivative Instruments on the Balance Sheet (Details)

v2.4.1.9
Derivative Instruments and Hedging Activities- Fair Value of Derivative Instruments on the Balance Sheet (Details) (Recurring, Level 2, Derivatives Designated as Hedging Instruments, Interest rate swap instruments, Other liabilities, USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Recurring | Level 2 | Derivatives Designated as Hedging Instruments | Interest rate swap instruments | Other liabilities
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities $ 5,232us-gaap_DerivativeLiabilities
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 4,430us-gaap_DerivativeLiabilities
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember