Derivative (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

				September 30, 2014		September 30, 2014
				Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swap		Other liabilities-non current	$	14,500	$	(6)
				December 31, 2013		December 31, 2013
				Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swap		Other liabilities-non current	$	17,500	$	(49)
	(a) See Note 16 for the fair value measurements related to these financial instruments.

Schedule of Cash Flow Hedges Included in AOCI [Table Text Block]

Derivatives in Hedging Relationships	Amount of gain or (loss) recognized in OCI on derivative (effective portion)
	Three months ended				Nine months ended
	September 30,				September 30,
	2014		2013		2014		2013
	(in thousands)
Interest rate swap	$	23	$	(23)	$	(57)	$	(69)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about AOCI Components	Amount of gain or (loss) reclassified from AOCI into income (effective portion)								Location of gain or (loss)
	Three months ended				Nine months ended				reclassified from AOCI
	September 30,				September 30,				into income (effective portion)
	2014		2013		2014		2013
	(in thousands)
Interest rate swap	$	(31)	$	(29)	$	(100)	$	(26)	Interest expense