Income Taxes - Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income tax provision (benefit)
Federal	$ 280	$ 1,225	$ (65)
State	5	151	43
Total current income tax provision (benefit)	285	1,376	(22)
Deferred income tax provision (benefit)
Federal	1,339	(244)	(245)
State	834	(151)	(152)
Total deferred income tax provision (benefit)	2,173	(395)	(397)
Total income tax provision (benefit)	$ 2,458	$ 981	$ (419)

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