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Fair Value Measurements (Details 3) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2021
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 4,529 $ 1,907  
Total gains or losses (realized/unrealized): included in earnings 0 0  
Total gains or losses (realized/unrealized): included in other comprehensive income (loss) (14) 33  
Purchases 0 0  
Issuances 0 0  
Sales 0 0  
Settlements 0 0  
Maturities 0 (19)  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Balance at the end of the period $ 4,515 $ 1,921 $ 1,921