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

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
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Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015	Mar. 13, 2015	Mar. 10, 2015
Senior Secured Notes \| 6.875% Senior Secured Notes
Debt Instrument [Line Items]
Interest rate (percent)	6.875%	6.875%	6.875%	6.875%	6.875%
Reported Value Measurement [Member]
Debt Instrument [Line Items]
6.875% Senior Secured Notes	$ 461,899		$ 495,632
Deferred debt issuance costs	(7,546)		(10,643)
Total	454,353		484,989
Estimate of Fair Value Measurement [Member]
Debt Instrument [Line Items]
6.875% Senior Secured Notes	466,628		450,000
Deferred debt issuance costs	0
Total	$ 466,628		$ 450,000