v3.26.3
Fair Value Measurement - Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Carrying Amount    
Financial assets:    
Cash and cash equivalents $ 436,385 $ 389,786
Investment securities:    
HTM, at net carrying value 1,128,053 1,141,570
MBS:    
HTM, at carrying value 79,442 105,907
FHLB stock, at cost 43,659 14,062
Equity investments 4,169 4,148
Loans, net of allowance for loan losses 4,911,831 4,772,891
Loans held for sale 969 1,332
Financial liabilities:    
Deposits 6,013,787 6,865,159
Other borrowings 894,605 208,657
FHLB borrowings 800,750 211,136
Subordinated notes, net of unamortized debt issuance costs 147,635 239,678
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,283 60,279
Estimated Fair Value    
Financial assets:    
Cash and cash equivalents 436,385 389,786
Investment securities:    
HTM, at net carrying value 891,270 1,003,373
MBS:    
HTM, at carrying value 70,128 99,931
FHLB stock, at cost 43,659 14,062
Equity investments 4,169 4,148
Loans, net of allowance for loan losses 4,805,509 4,700,476
Loans held for sale 969 1,332
Financial liabilities:    
Deposits 6,010,430 6,865,692
Other borrowings 890,016 208,635
FHLB borrowings 799,090 210,859
Subordinated notes, net of unamortized debt issuance costs 150,137 243,304
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,016 57,710
Estimated Fair Value | Level 1    
Financial assets:    
Cash and cash equivalents 436,385 389,786
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 891,270 1,003,373
MBS:    
HTM, at carrying value 70,128 99,931
FHLB stock, at cost 43,659 14,062
Equity investments 4,169 4,148
Loans, net of allowance for loan losses 0 0
Loans held for sale 969 1,332
Financial liabilities:    
Deposits 6,010,430 6,865,692
Other borrowings 890,016 208,635
FHLB borrowings 799,090 210,859
Subordinated notes, net of unamortized debt issuance costs 150,137 243,304
Trust preferred subordinated debentures, net of unamortized debt issuance costs 60,016 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 4,805,509 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