v3.26.3
Securities - AFS Contractual Maturities (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
AFS, Amortized Cost, Rolling Maturity    
Due in one year or less $ 17,274  
Due after one year through five years 92,212  
Due after five years through ten years 35,047  
Due after ten years 24,177  
Total 168,710  
Amortized Cost 1,477,022 $ 1,554,096
AFS, Fair Value, Rolling Maturity    
Due in one year or less 17,217  
Due after one year through five years 85,526  
Due after five years through ten years 32,400  
Due after ten years 22,910  
Total 158,053  
Fair Value 1,372,913 1,491,048
Residential mortgage-backed securities    
AFS, Amortized Cost, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 381,682  
Amortized Cost 381,682 411,571
AFS, Fair Value, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 346,933  
Fair Value 346,933 391,060
Commercial mortgage-backed securities    
AFS, Amortized Cost, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 275,588  
Amortized Cost 275,588 243,888
AFS, Fair Value, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 268,674  
Fair Value 268,674 240,336
Collateralized mortgage obligations    
AFS, Amortized Cost, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 651,042  
Amortized Cost 651,042 716,201
AFS, Fair Value, Rolling Maturity    
Mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities 599,253  
Fair Value $ 599,253 $ 680,525