Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2012

General Discussion Of Derivative Instruments And Hedging Activities [Abstract]

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

			Fair Value
			June 30,		December 31,
		Balance Sheet Location	2012		2011
Derivatives designated as cash flow hedges:
	Interest rate swaps	Other current liabilities	$	112	$	418
			$	112	$	418

Cash Flow Hedges
Interest Rate Swaps
		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
Amount of Gain Recognized in Accumulated OCI on Derivative
(Effective Portion)		$	103	$	78	$	199	$	174
Amount and Location of Gain Reclassified from Accumulated OCI into
Income (Effective Portion)	Interest Expense	$	(160)	$	(165)	$	(318)	$	(328)
Amount and Location of Gain Recognized in Income on Derivative
(Ineffective Portion and Amount Excluded from Effectiveness Testing)	Other Income	$	0	$	0	$	0	$	0