Senior Secured Notes (Details) - USD ($) $ in Thousands	Apr. 28, 2022	Mar. 31, 2022	Dec. 31, 2021
Senior Secured Notes [Line Items]
Secured Long-term Debt, Noncurrent		$ 410,525	$ 407,712
10.0% Senior Secured Notes due 2025
Senior Secured Notes [Line Items]
Senior Notes, interest rate, stated percentage		10.00%	10.00%
Senior Notes, Principal amount		$ 446,675	$ 446,675
Senior Secured Notes, Unamortized Debt Discount		28,135	30,236
Senior Notes, unamortized deferred financing costs		$ 8,015	$ 8,727
10.0% Senior Secured Notes due 2025 \| Subsequent Event
Senior Secured Notes [Line Items]
Senior Notes, exchanged or repurchased face amount	$ 446,700
Senior Notes, Redemption Price, Percentage	107.50%
Debt Instrument, Redemption, Description	$1,075 per $1,000 principal amount outstanding

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

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

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Description of debt redemption features under terms of the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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