Income Taxes - Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 8,573	$ 6,779
Additions based on tax positions related to the current year	422	548
Additions for tax positions of prior years	168	1,574
Reductions for tax positions of prior years - Settlement	(3,264)	(328)
Reduction for tax positions of prior years - Statute of limitations	(78)	0
Balance at end of year	$ 5,821	$ 8,573