Long-term Debt and Lease Obligations - Obligations (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	May. 31, 2013
Obligations
Carrying value of long-term debt and lease obligations	$ 186,320,000	$ 190,594,000
Current portion of long-term debt and lease obligations	(7,912,000)	(7,649,000)
Non-current portion of long-term debt and lease obligations	178,408,000	182,945,000
Senior secured second-priority notes [Member]
Obligations
Carrying value of long-term debt and lease obligations	175,000,000	175,000,000	$ 175,000,000
Equipment capital leases [Member]
Obligations
Carrying value of long-term debt and lease obligations	9,762,000	15,059,000
Other debt obligations [Member]
Obligations
Carrying value of long-term debt and lease obligations	$ 1,558,000	$ 535,000

Long term debt and capital lease obligations both current and noncurrent.

No definition available.

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- References

No definition available.

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- Definition

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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- Definition

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

+ References

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