Debt (Details) - USD ($) $ in Thousands		12 Months Ended
Mar. 15, 2019	Dec. 31, 2019
Debt
Unamortized Original Issue Discount		$ 2,876
Unamortized Deferred Financing Costs		13,866
Amortization		$ 425
Minimum
Debt
Period for prior written notice to trustee for redemption		20 days
Senior Secured Notes 2024
Debt
Aggregate principal amount	$ 340,000	$ 340,000
Interest rate (as a percent)	9.50%
Unamortized Original Issue Discount	$ 3,300	2,876
Unamortized Deferred Financing Costs	$ 16,300	$ 13,866
Senior Secured Notes 2024 \| Minimum
Debt
Period for prior written notice to holders for redemption		15 days
Senior Secured Notes 2024 \| Maximum
Debt
Period for prior written notice to holders for redemption		60 days
Prior to March 15, 2021 with redemption price equal to 100% \| Senior Secured Notes 2024
Debt
Maximum percentage of principal amount of notes redeemed		1.00%
Redemption price		100.00%
Treasury rate - basis points		50.00%
Prior to March 15, 2021 with redemption price equal to 109.5% \| Senior Secured Notes 2024
Debt
Maximum percentage of principal amount of notes redeemed		40.00%
Redemption price		109.50%
Twelve-month period commencing on the issue date and prior to March 15, 2021 \| Senior Secured Notes 2024
Debt
Maximum percentage of principal amount of notes redeemed		10.00%
Redemption price		103.00%
2021 \| Senior Secured Notes 2024
Debt
Redemption price		104.75%
2022 \| Senior Secured Notes 2024
Debt
Redemption price		102.375%
2023 and thereafter \| Senior Secured Notes 2024
Debt
Redemption price		100.00%

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Face (par) amount of debt instrument at time of issuance.

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