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

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-Name Accounting Standards Codification
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-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair Value Measurement - Carrying Amounts and Fair Values of Our Long-Term Debt Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Apr. 12, 2017	Dec. 31, 2016	Sep. 30, 2016
Debt Instrument [Line Items]
Long-term debt	$ 164,565		$ 233,154
Current portion of long-term debt	$ 3,184		0
7.875% senior secured notes due April 15, 2019 \| Senior Notes
Debt Instrument [Line Items]
Interest on Senior Secured Notes (as a percent)	7.875%	7.875%		7.875%
Long-term debt	$ 0		233,154
Fair Value	0		231,391
Term Loan Facility \| Secured Debt
Debt Instrument [Line Items]
Long-term debt	167,749		0
Fair Value	170,139		$ 0
Current portion of long-term debt	3,200
Long-term debt excluding current maturities	$ 164,600