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LONG-TERM DEBT - Summary of Components of Long-Term Debt and Capital Leases by Debt Instrument (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt and capital lease	$ 515,299	$ 525,019
Less—unamortized discount and debt issuance costs	14,698	17,586
Long-term debt and capital leases less unamortized discount and debt issuance costs	500,601	507,433
Less—current maturities of long-term debt	1,562	1,448
Non current portion of long term debt and capital lease obligation	499,039	505,985
Senior Secured Asset Based Revolving Credit Facility, Due 2020
Debt Instrument [Line Items]
Long-term debt and capital lease	56,299	57,422
Less—unamortized discount and debt issuance costs	4,637	5,593
Revenue Bonds Series 2014 Due December 2044
Debt Instrument [Line Items]
Long-term debt and capital lease	25,000	25,000
Less—unamortized discount and debt issuance costs	1,267	1,407
Revenue Bonds Series 2014R-2, Due December 2044
Debt Instrument [Line Items]
Long-term debt and capital lease	15,000	0
Less—unamortized discount and debt issuance costs	586	0
Revenue Bonds Series 2005R-2, Due January 2025
Debt Instrument [Line Items]
Long-term debt and capital lease	21,400	21,400
Less—unamortized discount and debt issuance costs	518	566
Revenue Bonds Series 2015 Due August 2035
Debt Instrument [Line Items]
Long-term debt and capital lease	15,000	15,000
Less—unamortized discount and debt issuance costs	778	830
Long-Term Revenue Bonds Series 2013 Due April 2036
Debt Instrument [Line Items]
Long-term debt and capital lease	16,000	16,000
Less—unamortized discount and debt issuance costs	612	636
Revenue Bonds Series 2013 Due April 2029
Debt Instrument [Line Items]
Long-term debt and capital lease	11,000	11,000
Less—unamortized discount and debt issuance costs	595	690
Revenue Bond Series 2013 Letter Of Credit Backed Due 2029
Debt Instrument [Line Items]
Less—unamortized discount and debt issuance costs	32	35
Revenue Bonds Series, 2005R-1, Due January 2025
Debt Instrument [Line Items]
Long-term debt and capital lease	3,600	3,600
Capital Lease Obligations
Debt Instrument [Line Items]
Long-term debt and capital lease	5,287	4,130
Notes Payable
Debt Instrument [Line Items]
Long-term debt and capital lease	1,143	1,167
Senior Subordinated Notes Due 2019 Notes
Debt Instrument [Line Items]
Long-term debt and capital lease	345,570	370,300
Less—unamortized discount and debt issuance costs	$ 5,673	$ 7,829

X

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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+ References

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Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of long-term debt and capital lease obligations including current maturities.

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