COMPREHENSIVE INCOME (LOSS) (Reclassification Adjustment from AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest (expense)	$ (5,471)	$ (5,382)	$ (10,963)	$ (10,524)
Tax (expense) or benefit	(2,574)	(2,361)	(6,807)	(4,130)
Net income	4,998	$ 4,825	13,382	$ 7,031
Reclassification out of Accumulated Other Comprehensive Income | Gains and Losses on Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense) or benefit	160		327
Net income	(213)		(434)
Reclassification out of Accumulated Other Comprehensive Income | Gains and Losses on Cash Flow Hedges | Interest Rate Swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest (expense)	$ (373)		$ (761)