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Fair Value Measures and Disclosures - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Mar. 09, 2020	Oct. 02, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain on derivative	$ 4,866,000	$ 0
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate principal amount				$ 300,000,000.0
Stated interest rate			10.75%	10.75%
Ascribe Senior Notes \| Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate principal amount			$ 34,400,000
Ascribe Investments III LLC \| CJWS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Make-whole reimbursement amount	28,500,000		$ 9,700,000
Gain on derivative	$ 4,900,000