Guarantor and Non-guarantor Financial Statements, Condensed Consolidated Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 2,821	$ (39,924)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	24,907	26,822
Amortization - deferred financing costs and debt discount	1,859	2,064
Amortization - other intangible assets	6,097	6,717
(Gain) loss on disposal of assets	669	10,662
Deferred income taxes	(592)	278
Non-cash stock-based compensation	1,831	1,950
Equity in earnings of subsidiaries and affiliates	0	0
Change in other operating items	(29,318)	(33,680)
Net cash provided by (used in) operating activities	8,274	(25,111)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(20,734)	(32,258)
Proceeds from notes receivable	0	0
Payments on notes receivable	0	0
Other	564	44,944
Net cash (used in) provided by investing activities	(20,170)	12,686
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of notes payable	(10,000)	(10,000)
Proceeds from notes payable	10,000	25,000
Other	0	(1,333)
Increase in revolving credit advance	10,000	25,000
Net cash provided by financing activities	0	13,667
Net (decrease) increase in cash and cash equivalents	(11,896)	1,242
Cash and cash equivalents, beginning of period	33,426	26,751
Cash and cash equivalents, end of period	21,530	27,993
Eliminations [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(20,788)	(1,405)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	0	0
Amortization - deferred financing costs and debt discount	0	0
Amortization - other intangible assets	0	0
(Gain) loss on disposal of assets	0	0
Deferred income taxes	0	0
Non-cash stock-based compensation	0	0
Equity in earnings of subsidiaries and affiliates	20,377	986
Change in other operating items	411	419
Net cash provided by (used in) operating activities	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Proceeds from notes receivable	103,928	162,151
Payments on notes receivable	(69,616)	(142,400)
Other	0	0
Net cash (used in) provided by investing activities	34,312	19,751
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of notes payable	69,616	142,400
Proceeds from notes payable	(103,928)	(162,151)
Other	0	0
Net cash provided by financing activities	(34,312)	(19,751)
Net (decrease) increase in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Parent [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	2,821	(39,924)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	8,335	7,910
Amortization - deferred financing costs and debt discount	1,859	2,064
Amortization - other intangible assets	5,971	6,592
(Gain) loss on disposal of assets	580	967
Deferred income taxes	(2,195)	(647)
Non-cash stock-based compensation	1,831	1,950
Equity in earnings of subsidiaries and affiliates	(20,377)	(986)
Change in other operating items	14,837	27,150
Net cash provided by (used in) operating activities	13,662	5,076
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(8,350)	(11,024)
Proceeds from notes receivable	36,698	(35,721)
Payments on notes receivable	(34,517)	13,721
Other	(671)	14,944
Net cash (used in) provided by investing activities	(6,840)	(18,080)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of notes payable	(42,775)	(138,679)
Proceeds from notes payable	19,041	151,430
Other	0	(1,333)
Net cash provided by financing activities	(23,734)	11,418
Net (decrease) increase in cash and cash equivalents	(16,912)	(1,586)
Cash and cash equivalents, beginning of period	31,018	24,113
Cash and cash equivalents, end of period	14,106	22,527
Guarantor Subsidiaries [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	14,763	6,573
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	13,446	14,514
Amortization - deferred financing costs and debt discount	0	0
Amortization - other intangible assets	126	125
(Gain) loss on disposal of assets	62	5
Deferred income taxes	925	925
Non-cash stock-based compensation	0	0
Equity in earnings of subsidiaries and affiliates	0	0
Change in other operating items	(41,354)	(30,201)
Net cash provided by (used in) operating activities	(12,032)	(8,059)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(11,977)	(17,382)
Proceeds from notes receivable	(106,680)	(92,529)
Payments on notes receivable	71,408	95,999
Other	1,235	0
Net cash (used in) provided by investing activities	(46,014)	(13,912)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of notes payable	(36,841)	(13,721)
Proceeds from notes payable	94,887	35,721
Other	0	0
Net cash provided by financing activities	58,046	22,000
Net (decrease) increase in cash and cash equivalents	0	29
Cash and cash equivalents, beginning of period	0	(29)
Cash and cash equivalents, end of period	0	0
Non-guarantor Subsidiaries [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	6,025	(5,168)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	3,126	4,398
Amortization - deferred financing costs and debt discount	0	0
Amortization - other intangible assets	0	0
(Gain) loss on disposal of assets	27	9,690
Deferred income taxes	678	0
Non-cash stock-based compensation	0	0
Equity in earnings of subsidiaries and affiliates	0	0
Change in other operating items	(3,212)	(31,048)
Net cash provided by (used in) operating activities	6,644	(22,128)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(407)	(3,852)
Proceeds from notes receivable	(33,946)	(33,901)
Payments on notes receivable	32,725	32,680
Other	0	30,000
Net cash (used in) provided by investing activities	(1,628)	24,927
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of notes payable	0	0
Proceeds from notes payable	0	0
Other	0	0
Net cash provided by financing activities	0	0
Net (decrease) increase in cash and cash equivalents	5,016	2,799
Cash and cash equivalents, beginning of period	2,408	2,667
Cash and cash equivalents, end of period	$ 7,424	$ 5,466