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Accumulated Other Comprehensive Income (loss) (Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances $ 364,285 $ 350,693
Other comprehensive income (loss) 860 (2,228)
Balances 361,638 351,864
Accumulated Other Comprehensive Income (loss)    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances (9,021) 56
Balances (8,161) (2,172)
Accumulated Net Unrealized Investment Gain (Loss)    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances (9,021) 56
Other comprehensive income (loss) 860 (2,228)
Balances $ (8,161) $ (2,172)