Income Taxes - Schedule of reconciliation between income tax expense for financial statement purposes and amount computed by applying statutory federal income tax rate of 35% to pretax income before extraordinary item (Details) - USD ($) $ in Thousands		1 Months Ended	2 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
	Dec. 12, 2018	Dec. 31, 2018	Nov. 30, 2018	Sep. 30, 2018	Dec. 12, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation between income tax expense for financial statement purposes and amount computed by applying the statutory federal income tax rate
Statutory federal income tax rate (as a percent)	21.00%	21.00%	21.00%	21.00%		21.00%	21.00%	35.00%
Federal tax expense at statutory rate		$ 266			$ (10,764)	$ (7,401)		$ (66,680)
Increase (decrease) in income taxes resulting from:
State income taxes, net of federal tax benefit		(480)			(800)	1,477		2,552
Work opportunity tax credit					(8)	515		(8)
Interest Expense						6,453
Goodwill impairment								5,846
Transaction costs					1,458
Cancellation of indebtedness income					11,217
Loss on debt extinguishment					2,275
Valuation allowance		(2,018)			(1,414)	(20,215)		23,130
Impact of federal rate change								27,549
Fair value adjustments PIK		(1,393)				(3,669)
Nondeductible expenses and other items		3,627			(1,925)	22,966		(2,010)
Provision (benefit) for income taxes		$ 2			$ 39	$ 126		$ (9,621)