Annual report pursuant to Section 13 and 15(d)

Equity Method Investment - Schedule Of Losses On Geneva Re's Investment Portfolio (Details)

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Equity Method Investment - Schedule Of Losses On Geneva Re's Investment Portfolio (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]      
Equity Method Investments - Beginning Balance $ 47,216 $ 22,522  
Invested capital   23,500  
Income from equity method investment in related party (759) 440 $ (978)
Change in share of equity method investment in related party other comprehensive income (Loss) (1,040) 754  
Equity Method Investments - Ending Balance $ 45,417 $ 47,216 $ 22,522