Long-term Debt Obligations (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Obligations
Carrying value of long-term debt	$ 185,723	$ 105,328
Current portion of long-term debt and lease obligations	(5,193)	(3,496)
Non-current portion of long-term debt and lease obligations	180,530	101,832
Senior Notes [Member]
Obligations
Carrying value of long-term debt	175,000	0
Revolving Credit Facility [Member]
Obligations
Carrying value of long-term debt	0	97,250
Facility Lease Obligation [Member]
Obligations
Carrying value of long-term debt	1,721	2,334
Capital Lease Obligations [Member]
Obligations
Carrying value of long-term debt	$ 9,002	$ 5,744

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

No definition available.

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- Details

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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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

+ Details

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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

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

+ Details

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