Discontinued Operations and Assets Held for Sale - Summarized Operating Results of the Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations before taxes, net	$ 4,145	$ 86,661	$ 4,880	$ 86,243
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0	232,114	0	471,863
Share-based compensation expense	0	(585)	0	(827)
Other direct costs	0	(171,469)	0	(372,665)
Loss on impairment of assets	0	(204)	0	(1,268)
Other non-operating expense	0	(4,389)	0	(15,551)
Gain on sale of discontinued operations before taxes, net	4,145	30,131	4,880	13,293
Pretax income of discontinued operations	4,145	85,598	4,880	94,845
Income tax expense	0	1,063	0	(8,602)
Income from discontinued operations, net of tax	$ 4,145	$ 86,661	4,880	86,243
Operating cash flows of discontinued operations			0	56,567
Investing cash flows of discontinued operations			0	(9,941)
Financing cash flows of discontinued operations			$ 0	$ (18,059)