Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Other Commitments [Line Items]
Unemployment benefits, possible liability with a change in control	$ 38,200
Unemployment benefits, possible liability without a change in control	13,700
Maximum potential capital contributions	22,500
Contributions to date to equity method investment	22,500
Contributions to equity method investment	$ (500)	$ (2,000)
Minimum
Other Commitments [Line Items]
Renewal terms of current operating leases	1 year
Maximum
Other Commitments [Line Items]
Renewal terms of current operating leases	5 years
WorkLLama
Other Commitments [Line Items]
Contributions to equity method investment	$ (500)		$ (9,000)