v3.26.1
Fair Value Measurement - Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Carrying Amount    
Financial assets:    
Cash and cash equivalents $ 397,256 $ 389,786
Investment securities:    
HTM, at net carrying value 1,130,387 1,141,570
MBS:    
HTM, at carrying value 81,513 105,907
FHLB stock, at cost 45,277 14,062
Equity investments 4,161 4,148
Loans, net of allowance for loan losses 4,903,972 4,772,891
Loans held for sale 341 1,332
Financial liabilities:    
Deposits 6,169,395 6,865,159
Other borrowings 419,787 208,657
FHLB borrowings 995,848 211,136
Subordinated notes, net of unamortized debt issuance costs 147,587 239,678
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,282 60,279
Estimated Fair Value    
Financial assets:    
Cash and cash equivalents 397,256 389,786
Investment securities:    
HTM, at net carrying value 1,000,418 1,003,373
MBS:    
HTM, at carrying value 75,119 99,931
FHLB stock, at cost 45,277 14,062
Equity investments 4,161 4,148
Loans, net of allowance for loan losses 4,835,610 4,700,476
Loans held for sale 341 1,332
Financial liabilities:    
Deposits 6,167,855 6,865,692
Other borrowings 417,463 208,635
FHLB borrowings 994,627 210,859
Subordinated notes, net of unamortized debt issuance costs 153,403 243,304
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,079 57,710
Estimated Fair Value | Level 1    
Financial assets:    
Cash and cash equivalents 397,256 389,786
Investment securities:    
HTM, at net carrying value 0 0
MBS:    
HTM, at carrying value 0 0
FHLB stock, at cost 0 0
Equity investments 0 0
Loans, net of allowance for loan losses 0 0
Loans held for sale 0 0
Financial liabilities:    
Deposits 0 0
Other borrowings 0 0
FHLB borrowings 0 0
Subordinated notes, net of unamortized debt issuance costs 0 0
Trust preferred subordinated debentures, net of unamortized debt issuance costs 0 0
Estimated Fair Value | Level 2    
Financial assets:    
Cash and cash equivalents 0 0
Investment securities:    
HTM, at net carrying value 1,000,418 1,003,372
MBS:    
HTM, at carrying value 75,119 99,931
FHLB stock, at cost 45,277 14,062
Equity investments 4,161 4,148
Loans, net of allowance for loan losses 0 0
Loans held for sale 341 1,332
Financial liabilities:    
Deposits 6,167,855 6,865,692
Other borrowings 417,463 208,635
FHLB borrowings 994,627 210,859
Subordinated notes, net of unamortized debt issuance costs 153,403 243,304
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,079 57,710
Estimated Fair Value | Level 3    
Financial assets:    
Cash and cash equivalents 0 0
Investment securities:    
HTM, at net carrying value 0 0
MBS:    
HTM, at carrying value 0 0
FHLB stock, at cost 0 0
Equity investments 0 0
Loans, net of allowance for loan losses 4,835,610 4,700,476
Loans held for sale 0 0
Financial liabilities:    
Deposits 0 0
Other borrowings 0 0
FHLB borrowings 0 0
Subordinated notes, net of unamortized debt issuance costs 0 0
Trust preferred subordinated debentures, net of unamortized debt issuance costs $ 0 $ 0