Income Taxes - Additional Information (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 22, 2016	Dec. 31, 2018	Dec. 31, 2016	Dec. 31, 2017	Jun. 15, 2017
Income Taxes [Line Items]
Subject to expiration		$ 84.6
Not subject to expiration		0.8
Net operating loss carryforward written off			$ 141.7
Operating loss carryforwards annual installment amount			$ 1.0
Depletion carryover amount		$ 8.7
Statutory tax rate		35.00%
Income tax benefit		$ 4.1
AMT credit carryovers		$ 1.2
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%
Deductible interest expense limitation		$ 25.5
Deferred tax assets		$ 2.3
Scenario Plan
Income Taxes [Line Items]
Statutory tax rate		21.00%
Amended and Restated Purchase Agreement | Chambers
Income Taxes [Line Items]
Additional estimated annual utilization limit of net operating losses					$ 0.8
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
Income Taxes [Line Items]
Preferred stock, shares issued (in shares)		91,784		83,968
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