Income Taxes - Significant Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current provision:
Federal	$ 731	$ 244	$ 860
State	413	1,539	1,357
Deferred provision:
Federal	3,331	2,766	951
State	171	(11)	60
Total income tax provision	$ 4,646	$ 4,538	$ 3,228