Income Taxes - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 22, 2016	Dec. 31, 2019	Dec. 31, 2016	Dec. 31, 2018	Jun. 15, 2017
Income Taxes [Line Items]
Subject to expiration		$ 128,600
Not subject to expiration		49,900
Operating loss carryforwards annual installment amount			$ 1,000
Net operating loss carryforward written off			$ 141,700
Depletion carryover amount		8,700
AMT credit carryovers		600
Valuation allowance		8,876		$ 0
Net deferred tax liability, net of valuation allowance		$ 931		12,370
AMT expected to refund Year		2022
Maximum percentage of deductible interest expense for tax of earnings before interest, taxes, depreciation, and amortization		30.00%
Maximum percentage of deductible interest expense for tax of earnings before interest and taxes		30.00%
Deferred tax assets		$ 19,200		$ 2,300
Amended and Restated Purchase Agreement | Chambers
Income Taxes [Line Items]
Additional estimated annual utilization limit of net operating losses					$ 800
Net operating loss carryforwards limitations on use description		The 2017 change creates an additional estimated annual utilization limit of approximately $0.8 million on our ability to utilize net operating losses generated subsequent to the 2016 change in ownership, but prior to the June, 2017 change in ownership.
Common Class A
Income Taxes [Line Items]
Sale of common stock, net of offering costs (in shares)	13,800,000
Series A-1 Convertible Participating Preferred Stock | Amended and Restated Purchase Agreement | Chambers
Income Taxes [Line Items]
Preferred stock, shares issued (in shares)					5,400
Series A-2 Convertible Participating Preferred Stock | Amended and Restated Purchase Agreement | Chambers
Income Taxes [Line Items]
Preferred stock, shares issued (in shares)					74,600
State and Local Jurisdiction
Income Taxes [Line Items]
Net deferred tax liability, net of valuation allowance		$ 1,500