Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

As of June 30, 2012 and December 31, 2011, the fair value carrying amount of the Company's interest rate swaps are recorded as follows:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Caption	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
		(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swap	Accrued liabilities	$	—	$	—	$	550	$	—
Interest rate swap	Other long-term liabilities	—		—		850		—
Total derivatives designated as hedging instruments		$	—	$	—	$	1,400	$	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The effect of interest rate swaps on the consolidated statement of operations for the three and six months ended June 30, 2012 and 2011 is summarized as follows:

	Amount of Loss Recognized in AOCI on Derivative (Effective Portion, net of tax)						Amount of Loss Reclassified from AOCI into Earnings
							Three months ended June 30,						Six months ended June 30,
	As of June 30, 2012			As of December 31, 2011		Location of Loss Reclassified from AOCI into Earnings (Effective Portion)	2012			2011			2012			2011
	(dollars in thousands)						(dollars in thousands)
Derivatives designated as hedging instruments
Interest rate swaps	$	(860	)	$	—	Interest expense	$	(110	)	$	(120	)	$	(110	)	$	(360	)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

Fair Value Measurements, Recurring and Nonrecurring

Fair value measurements and the fair value hierarchy level for the Company's assets and liabilities measured at fair value on a recurring basis as of June 30, 2012 are shown below.  

		June 30, 2012
Description	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(dollars in thousands)
Interest rate swaps	Recurring	$	(1,400	)	$	—	$	(1,400	)	$	—