Fair Value Measurement - Level 3 Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Deferred payments
Schedule of changes in fair value of level 3 liability
Balance as of the beginning of period	$ 1,658	$ 3,257
Amounts paid	(1,470)	(1,628)
Other adjustments to fair value	470	29
Balance at end of period	658	$ 1,658
Accounts payable and accrued expenses
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Short-term portion of deferred payments	$ 700