Summary of Significant Accounting Policies - Activity in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable Net [Abstract]
Balance At Beginning Of Period	$ 503	$ 157
Provision	71	543
Write-Offs	(261)	(197)
Balance At End Of Period	$ 313	$ 503