CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenues		$ 840,208	$ 794,197
Operating expenses		638,597	616,501
Gross margin		201,611	177,696
Selling, general and administrative expenses		241,397	246,206
Restructuring and other related charges, net (see Note 19)		16	2,535
Goodwill impairment charge (see Note 9)		0	55,837
Operating loss		(39,802)	(126,882)
Interest expense, net		(85,052)	(46,079)
Loss on warrants	[1]	0	(59)
Loss on debt extinguishment		(30,083)	0
Other income (expense), net		8,156	(3,052)
Loss before income taxes		(146,781)	(176,072)
Provision for income taxes (see Note 11)		(3,306)	(8,773)
Net loss from continuing operations		(150,087)	(184,845)
Discontinued operations:
Net income (loss) from discontinued operations, net of income tax		220,166	(1,174)
Net income (loss)		$ 70,079	$ (186,019)	[1]
Basic and diluted net income (loss) per common share:
Basic earnings (loss) from continuing operations per share (in USD per share)		$ (35.85)	$ (59.67)
Loss from continuing operations, diluted (in USD per share)		(35.85)	(59.67)
Income (loss) from discontinued operations, basic (in USD per share)		52.58	(0.38)
Income (loss) from discontinued operations, basic (in USD per share)		52.58	(0.38)
Basic (in USD per share)		16.73	(60.05)
Diluted (in USD per share)		$ 16.73	$ (60.05)
Weighted-average number of shares outstanding:
Weighted-average number of basic shares outstanding (in shares)		4,187	3,098
Weighted-average number of diluted shares outstanding (in shares)		4,187	3,098

[1] Consolidated statements of cash flows include discontinued operations. December 31,20222021Cash and cash equivalents from continuing operations$58,075 $55,193 Cash and cash equivalents from discontinued operations— 10,122 Total$58,075 $65,315