Income Taxes - Schedule of Income Tax Expense (Benefit) Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Tax expense (benefit) at U.S. federal statutory income tax rate on income or loss subject to tax	$ 15,016	$ (6,169)	$ (7,027)
State income tax expense (benefit), net of federal tax	4,211	(1,830)	1,209
Gross receipts and margin taxes	980	1,108	1,173
Foreign rate differential	0	0	301
Effect of permanent differences	0	20	(55)
Return to provision adjustments	707	54	258
Valuation allowance for deferred tax assets	24,051	22	(255)
Tax rate differential ─ NOL carryback under the CARES Act	(3,732)	0	0
Change in tax status of TRS	(50,656)	1,316	0
Total income tax expense (benefit) from continuing operations	$ (9,423)	$ (5,479)	$ (4,396)