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Income Taxes Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Unrecognized Tax Benefit [Line Items]    
Tax Credit Carryforward, Valuation Allowance $ 56,491 $ 140,034
Tax Credit Carryforward, Valuation Allowance $ 56,491 140,034
Valuation Allowance, Deferred Tax Asset, Explanation of Change The change in valuation allowance includes a $12,177,000 decrease in valuation allowance charged to continuing operations tax expense; a $3,038,000 decrease of valuation allowance on our FAS 115 assets which is charged to other comprehensive income; a $122,057,000 decrease related to the disposal of our former subsidiary, UPC, charged to discontinued operations; a $44,802,000 increase established against the outside basis in our former subsidiary, UPC, related to the disposal which was charged to discontinued operations; and a $8,927,000 increase charged to discontinued operations for other deferred tax assets and liabilities.  
Federal Operating Loss Carryforwards, Permanent $ 2  
Federal Operating Loss Carryforwards, Subject to Expiration 12,191  
State Operating Loss Carryforwards, Subject to Expiration $ 39,755  
Discontinued Operations    
Unrecognized Tax Benefit [Line Items]    
Tax Credit Carryforward, Valuation Allowance   122,057
Tax Credit Carryforward, Valuation Allowance   $ 122,057