Amount of liability recognized arising from contingent consideration in a business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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Contractual interest rate for funds borrowed, under the debt agreement.

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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(a)(1))
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Fair Value Disclosures (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Jun. 23, 2015	Mar. 31, 2015	Jun. 30, 2014	Feb. 04, 2011
7.50% Senior Convertible Notes (the "7.50% Notes")
Fair Value Disclosures
Stated interest rate (percent)	7.50%	7.50%		7.50%		7.50%
8.50% Notes
Fair Value Disclosures
Stated interest rate (percent)	8.50%	8.50%			8.50%
6.00% Notes
Fair Value Disclosures
Stated interest rate (percent)	6.00%	6.00%	6.00%
Carrying Amount \| Earn-out
Fair Value Disclosures
Contingent consideration (earn-out)	$ 7,083	$ 7,083
Carrying Amount \| 7.50% Senior Convertible Notes (the "7.50% Notes")
Fair Value Disclosures
Debt		46,793
Carrying Amount \| 8.50% Notes
Fair Value Disclosures
Debt	200,000	200,000
Carrying Amount \| 6.00% Notes
Fair Value Disclosures
Debt	79,934	79,930
Carrying Amount \| Senior Secured Credit Facility
Fair Value Disclosures
Debt	35,000	0
Fair Value \| Senior Secured Credit Facility
Fair Value Disclosures
Debt	35,000	0
Fair Value \| Level 2 \| 7.50% Senior Convertible Notes (the "7.50% Notes")
Fair Value Disclosures
Debt		45,389
Fair Value \| Level 2 \| 8.50% Notes
Fair Value Disclosures
Debt	196,000	199,000
Fair Value \| Level 2 \| 6.00% Notes
Fair Value Disclosures
Debt	69,384	75,368
Fair Value \| Level 3 \| Earn-out
Fair Value Disclosures
Contingent consideration (earn-out)	$ 7,083	$ 7,083