Income Taxes - Activity Related to the Company's 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]
Balance at January 1	$ 774	$ 1,098	$ 955
Increases related to previous year tax positions	0	59	143
Reductions due to lapse of applicable statute of limitations	0	(383)	0
Balance at December 31	$ 774	$ 774	$ 1,098