Quarterly report [Sections 13 or 15(d)]

Securities - Schedule of Securities with Gross Unrealized Losses Not Recognized in Income (Details)

v3.26.3
Securities - Schedule of Securities with Gross Unrealized Losses Not Recognized in Income (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 3,454 $ 0
Unrealized losses, less than 12 months (439) 0
Estimated fair value, 12 months or longer 276,415 315,482
Unrealized losses, 12 months or longer (83,114) (54,801)
Estimated fair value, total 279,869 315,482
Unrealized losses, total $ (83,553) $ (54,801)
Percentage of Total Portfolio in Loss Position 100.00% 99.80%
Number of securities, unrealized losses, less than 12 months | security 1 0
Number of securities, unrealized losses, 12 months or longer | security 371 369
Number of securities, unrealized losses, total | security 372 369
U.S. government agency securities    
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 0 $ 0
Unrealized losses, less than 12 months 0 0
Estimated fair value, 12 months or longer 8,521 8,466
Unrealized losses, 12 months or longer (364) (418)
Estimated fair value, total 8,521 8,466
Unrealized losses, total $ (364) $ (418)
Percentage of Total Portfolio in Loss Position 100.00% 100.00%
U.S. government treasuries    
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 1,976  
Unrealized losses, less than 12 months (21)  
Estimated fair value, 12 months or longer 0  
Unrealized losses, 12 months or longer 0  
Estimated fair value, total 1,976  
Unrealized losses, total $ (21)  
Percentage of Total Portfolio in Loss Position 100.00%  
Collateralized mortgage obligations and residential mortgage-backed securities    
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 1,478 $ 0
Unrealized losses, less than 12 months (418) 0
Estimated fair value, 12 months or longer 91,097 104,665
Unrealized losses, 12 months or longer (22,204) (19,168)
Estimated fair value, total 92,575 104,665
Unrealized losses, total $ (22,622) $ (19,168)
Percentage of Total Portfolio in Loss Position 100.00% 100.00%
Municipal securities    
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 0 $ 0
Unrealized losses, less than 12 months 0 0
Estimated fair value, 12 months or longer 175,089 200,469
Unrealized losses, 12 months or longer (60,120) (34,956)
Estimated fair value, total 175,089 200,469
Unrealized losses, total $ (60,120) $ (34,956)
Percentage of Total Portfolio in Loss Position 100.00% 99.60%
Collateralized debt obligations    
Debt Securities, Available-for-Sale [Line Items]    
Estimated fair value, Less than 12 months $ 0 $ 0
Unrealized losses, less than 12 months 0 0
Estimated fair value, 12 months or longer 1,708 1,882
Unrealized losses, 12 months or longer (426) (259)
Estimated fair value, total 1,708 1,882
Unrealized losses, total $ (426) $ (259)
Percentage of Total Portfolio in Loss Position 100.00% 100.00%