Income Taxes Income Tax Provision Included in Other Income Expense on Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Federal	$ 0	$ (542)	$ 48
State	483	412	625
Federal	118	(80)	237
State	137	201	(91)
Provision for income taxes	$ 738	$ (9)	$ 819