Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v3.23.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Line Items]      
Effective income tax rate 0.00% 0.00%  
Operating Loss Carryforwards $ 318,000    
Minimum ownership interest in subsidiaries for consolidated income tax return 80.00%    
Unrecognized tax benefits $ 0    
Income tax expense 449 $ 473 $ 500
Increase (decrease) in valuation allowance $ 67,000    
Income tax credits expiration date Dec. 31, 2028    
Federal [Member]      
Income Tax Disclosure [Line Items]      
Operating loss carryforwards without expiration $ 476,700    
Net operating losses (NOLs) 680,100    
Income tax credits $ 30,300    
Net operating losses (NOLs), expiration Dec. 31, 2032    
State and Local Jurisdiction [Member]      
Income Tax Disclosure [Line Items]      
Operating loss carryforwards without expiration $ 10,800    
Net operating losses (NOLs) 838,100    
Income tax credits $ 4,000    
Net operating losses (NOLs), expiration Dec. 31, 2022