Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current income tax expense (benefit)	$ 620	$ 2,157	$ 1,576
Deferred income tax expense (benefit)	421	(891)	(331)
Total income tax expense (benefit)	$ 1,041	$ 1,266	$ 1,245