Other Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		117 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2031	Dec. 31, 2021	Dec. 31, 2020
Schedule of Other Assets [Line Items]
Prepaid expenses, net of current portion	$ 20,011			$ 19,852
Capital contributions	$ 0	$ 72
Minimum
Schedule of Other Assets [Line Items]
Ownership percentage	3.00%
Maximum
Schedule of Other Assets [Line Items]
Ownership percentage	5.00%
Scenario, Forecast
Schedule of Other Assets [Line Items]
Capital contributions			$ 2,900
Jack Welch Management Institute
Schedule of Other Assets [Line Items]
Commitment for future services under the perpetual license agreement					$ 25,300
Prepaid expenses, net of current portion	$ 18,800			$ 19,200
Prepaid expense, amortization period	15 years