Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net operating loss	$ 166,500,000	$ 163,200,000
Deferred tax assets, operating loss carryforwards	7,200,000	7,100,000
Unrecognized tax benefits	$ 0	$ 0