v3.26.3
Fair Value Measurements - Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Balance sheet assets    
Securities held-to-maturity, net $ 1,030,084 $ 1,074,957
Carrying Amount    
Balance sheet assets    
Securities held-to-maturity, net 1,030,084 1,074,957
Other investments 117,555 77,737
Loans held-for-sale 202 928
Loans, net 12,200,186 11,660,316
State tax credits, held-for-sale 10,422 11,141
Servicing asset 2,840 3,021
Balance sheet liabilities    
Certificates of deposit 1,695,184 1,669,383
Subordinated debentures and notes 258,409 93,688
Other borrowings 179,532 387,717
FHLB advances 64,000 0
Estimated fair value    
Balance sheet assets    
Securities held-to-maturity, net 913,984 1,039,814
Other investments 117,555 77,737
Loans held-for-sale 202 928
Loans, net 12,140,459 11,622,939
State tax credits, held-for-sale 11,058 11,904
Servicing asset 4,969 4,733
Balance sheet liabilities    
Certificates of deposit 1,687,123 1,665,449
Subordinated debentures and notes 254,763 92,093
Other borrowings 156,034 364,901
FHLB advances $ 64,000 $ 0