Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income Tax Benefit	$ 0	$ 0	$ (6,014)
Valuation Allowance, Deferred Tax Asset, Change in Amount	17,200
Operating Loss Carryforwards, Federal	1,100,000
Operating Loss Carryforwards, State	86,900
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	0
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 29,290	$ 29,304