Income Taxes Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal Income Tax Rate [Line Items]
Computed tax at applicable statutory rate	21.00%	21.00%	21.00%
Deferred tax benefit	$ 264	$ (4,201)	$ 103

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Name:	us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration