Summary of Significant Accounting Policies - Changes in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Balances	$ 1,236	$ 1,559
Reductions to expense	131	177
Write-offs and other deductions	319	146
Balances	$ 786	$ 1,236