Income Taxes - Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current tax benefit - U. S. federal	$ 0	$ 4,473
Current tax benefit - state and local	636
Deferred tax benefit - U. S. federal	0	7,980
Deferred tax benefit - state and local	0	1,520
Total income tax benefit	$ 636	$ 13,973