Summary of Significant Accounting Policies - Contract Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Unbilled receivables, Balance at Beginning of Period	$ 2,229	$ 3,315
Unbilled receivables, Revenue Recognized In Advance of Billings	7,172	1,508
Unbilled receivables, Billings	(6,314)	(2,594)
Unbilled receivables, Balance at End of Period	$ 3,087	$ 2,229