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Fair Value Measurements (Details 3) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2024
Changes in the fair value of Level 3 assets measured on a recurring basis      
Total gains or losses (unrealized): included in earnings $ 0   $ 0
U.S. States and political subdivisions securities      
Changes in the fair value of Level 3 assets measured on a recurring basis      
Balance at the beginning of the period 971 $ 1,037  
Total gains or losses (realized/unrealized): included in earnings 0 0  
Total gains or losses (realized/unrealized): included in other comprehensive income (loss) 5 21  
Purchases 0 0  
Issuances 0 0  
Sales 0 0  
Settlements 0 0  
Maturities 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Balance at the end of the period $ 976 $ 1,058 $ 1,058