GUARANTOR - Condensed Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
NET REVENUES	$ 101,513	$ 99,840	$ 100,201	$ 78,235	$ 99,583	$ 98,436	$ 101,239	$ 78,360	$ 379,789	$ 377,618	$ 388,924
Operating Expenses Abstract
Depreciation Depletion And Amortization									7,794	8,545	10,839
General and Administrative Expense									26,572	24,381	25,874
Acquisition Costs									1,042	0	0
Net (gain) loss on sale or disposal of assets									(379)	(1,321)	138
Operating Expenses									294,213	285,051	312,330
Operating Income Loss	28,531	21,205	23,916	11,924	29,241	23,286	28,268	11,772	85,576	92,567	76,594
Other income									0	(165)	(118)
TOTAL OTHER (INCOME) EXPENSE									38,842	44,067	52,852
INCOME (LOSS) BEFORE INCOME TAXES (BENEFIT)									46,734	48,500	23,742
Income Tax Expense (Benefit)									19,911	22,476	12,474
Net Income (Loss) Attributable to Parent	10,850	6,473	8,137	1,363	9,507	6,875	9,893	(251)	26,823	26,024	11,268
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
NET REVENUES									1,309	615	659
Operating Expenses Abstract
Depreciation Depletion And Amortization									1,217	1,122	920
General and Administrative Expense									26,463	24,229	25,717
Acquisition Costs									1,042	0	0
Net (gain) loss on sale or disposal of assets									(601)	(1,954)	0
Operating Expenses									28,121	23,397	26,637
Operating Income Loss									(26,812)	(22,782)	(25,978)
Net interest expense, including amortization of deferred financing expense									15	1	(46)
Other income									0	(165)	(118)
Income from equity investment in subsidiaries									(73,561)	(71,118)	(49,556)
TOTAL OTHER (INCOME) EXPENSE									(73,546)	(71,282)	(49,720)
INCOME (LOSS) BEFORE INCOME TAXES (BENEFIT)									46,734	48,500	23,742
Income Tax Expense (Benefit)									19,911	22,476	12,474
Net Income (Loss) Attributable to Parent									$ 26,823	$ 26,024	$ 11,268