Income Taxes - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Apr. 12, 2021	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
U.S. federal corporate income tax rate (percent)		21.00%
Possible additional NOLs for five years resulting from Net Unrealized Built-in Gain rules		$ 1.1
Proceeds from sale of NOLs	$ 1.4
Proceeds from sale of NOLs, gross	1.5
Loss on sale of NOLs	$ 0.1
Federal
Income Taxes [Line Items]
Net operating loss carryforwards, prior to write down		281.0
Net operating loss carryforwards		112.0	$ 264.0
Write down of NOLs set to expire unutilized		169.0
State | New Jersey
Income Taxes [Line Items]
Net operating loss carryforwards		97.0	99.0
State | California
Income Taxes [Line Items]
Net operating loss carryforwards		70.0	70.0
State | New York
Income Taxes [Line Items]
Net operating loss carryforwards		$ 13.0	$ 13.0