v3.26.3
Fair Value Measurements - Changes in Level 3 (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Asset-backed Securities    
Changes in Level 3    
Beginning balance $ 4,850 $ 3,254
Total gains or losses    
Included in other comprehensive income (142) (16)
Purchases, issuances, sales, and settlements    
Purchases 873 1,702
Settlements (434) (340)
Ending balance 5,147 4,600
States and political subdivisions    
Changes in Level 3    
Beginning balance 6,947 11,896
Total gains or losses    
Included in other comprehensive income (438) (335)
Purchases, issuances, sales, and settlements    
Settlements (7) (120)
Ending balance 6,502 11,441
Mortgage Servicing rights    
Changes in Level 3    
Beginning balance 9,459 10,374
Total gains or losses    
Included in earnings 814 (1,143)
Purchases, issuances, sales, and settlements    
Issuances 912 665
Settlements (495) (347)
Ending balance $ 10,690 $ 9,549