Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Income taxes    
Effective income tax rate 0.00%  
Minimum ownership interest in subsidiaries for consolidated income tax return 80.00%  
Income tax expense (benefit) $ 0 $ 0