v3.26.3
Investment Securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Amortized cost    
Due in one year or less $ 645 $ 205
Due in one to five years 15,064 12,467
Due in five to ten years 369,192 330,850
Due in over ten years 602,164 521,676
Amortized cost, sub-total 987,065 865,198
Amortized cost 1,623,908 1,507,466
Fair Value    
Due in one year or less 640 204
Due in one to five years 13,593 12,474
Due in five to ten years 361,197 328,456
Due in over ten years 575,536 505,447
Fair value, sub-total 950,966 846,581
Total AFS debt securities 1,538,130 1,459,579
Mortgage-backed securities - residential    
Amortized cost    
Mortgage-backed securities 616,975 631,104
Amortized cost 616,975 631,104
Fair Value    
Mortgage-backed securities 568,520 602,320
Total AFS debt securities 568,520 602,320
Mortgage-backed securities - commercial    
Amortized cost    
Mortgage-backed securities 19,868 11,164
Amortized cost 19,868 11,164
Fair Value    
Mortgage-backed securities 18,644 10,678
Total AFS debt securities $ 18,644 $ 10,678