Spin-Off of Subsidiaries - Allocation of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2019
Restructuring and Related Activities [Abstract]
Cash and cash equivalents				$ 47
Accounts receivable, net				30,064
Prepaid expenses and other current assets				4,483
Property and equipment, net				13,728
Right-of-use assets				150,385
Goodwill and intangibles, net				74,747
Accounts payable				(4,725)
Accrued wages and related liabilities				(14,544)
Other accrued liabilities - current				(17,531)
Lease liabilities, net				(152,221)
Distribution of net assets to Pennant	$ 0	$ 0	$ 84,433	$ 84,433