Income Taxes - Changes in Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits at the beginning of the period	$ 7,123	$ 7,163	$ 4,814
Additions for tax positions in the current year	194	232	2,306
Increase in prior year positions	64	62	90
Decrease in prior year positions	(48)	(334)	(89)
Acquisitions	242	0	42
Unrecognized tax benefits at the end of the period	$ 7,575	$ 7,123	$ 7,163