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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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-Section S99
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-Publisher FASB
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-Section S99
-Paragraph 1
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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration 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

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

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

+ References

No definition available.

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Long-term Debt and Lease Obligations - Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Apr. 28, 2016
Obligations
Costs associated with issuances of debt	$ (2,925)	$ (3,983)
Total	121,741	156,744
Current portion of long-term debt and lease obligations	(2,228)	(40,024)
Non-current portion of long-term debt and lease obligations	119,513	116,720
Senior secured notes \| Senior secured second-priority lien notes (maturing December 15, 2021)
Obligations
Long-term debt, gross	120,569	120,569
Total			$ 120,600
Senior secured notes \| Senior secured third-priority lien notes (redeemed March 26, 2018)
Obligations
Long-term debt, gross	0	28,497
Total			$ 28,500
Revolving credit facility (amended August 16, 2018, maturing August 16, 2023) (a)
Obligations
Long-term debt, gross	0	10,000
Equipment capital leases
Obligations
Long-term debt, gross	2,938	279
Other debt
Obligations
Long-term debt, gross	$ 1,159	$ 1,382