Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Derivative [Line Items]

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]

The table below presents the fair value of the Company's derivative financial instruments, exclusive of any accrued interest, as well as their classification on the Condensed Consolidated Balance Sheets (amounts in thousands):

	Balance sheet classification	Fair value
		March 31, 2015		December 31, 2014
Derivatives designated as hedging instruments:
Interest rate swap	Other accrued liabilities	$	2,149	$	4,149
Interest rate swap	Interest rate swaps and other  long–term liabilities, net	9,360		6,105

The table below presents the losses on derivative financial instruments included in the Company's condensed consolidated financial statements (amounts in thousands):

Derivatives in Cash Flow Hedging Relationships	Amount of Gain (Loss) on Derivatives Recognized in Other Comprehensive Income (Effective Portion)						Location of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)						Location of Gain (Loss) on Derivatives Recognized in Income (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain (Loss) on Derivatives Recognized in Income (Ineffective Portion and Amount Excluded from Effectiveness Testing)
	Three Months Ended March 31,							Three Months Ended March 31,							Three Months Ended March 31,
	2015			2014				2015			2014				2015			2014
Interest rate swaps	$	(3,746	)	$	(2,067	)	Interest expense, net	$	(3,097	)	$	(3,273	)	Change in fair value of derivative instruments	$	(3	)	$	(2	)