Fair Value Measurements - Changes in Estimated Fair Value of Assets with Unobservable Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 15,629
Balance at end of period	8,218	$ 15,629
Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	15,629	0
Additions	0	11,424
Change in fair value	$ (7,411)	4,205
Balance at end of period		$ 15,629