Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021
Tax Credit Carryforward [Line Items]
Deferred Tax Assets Tax Credit Carryforwards Domestic	$ 64,081	$ 64,081
Deferred Tax Assets Tax Credit Carryforwards State And Local	7,369	7,281
Net operating loss carryforwards - Federal	11,670	14,857
Tax impact from CARES Act	41,600
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit		23,000
Begin To Expire In 2033 [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets Tax Credit Carryforwards Domestic		67,800
Begin To Expire In 2021 [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets Tax Credit Carryforwards State And Local		$ 7,300
Restatement Adjustment [Member]
Tax Credit Carryforward [Line Items]
Deferred tax liability	$ 9,200