Fair Value Measurements - Fair Value by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial assets:
Held-to-maturity investment securities	$ 256,072	$ 267,649
Level 1
Financial assets:
Cash and due from banks	73,334	27,627
Interest-earning deposits in other banks	133,503	91,357
Held-to-maturity investment securities	0	0
Loans, net	0	0
Financial liabilities:
Time deposits	0	0
Borrowings	0	0
Senior debt and subordinated debentures	0	0
Level 2
Financial assets:
Cash and due from banks	0	0
Interest-earning deposits in other banks	0	0
Held-to-maturity investment securities	256,072	267,649
Loans, net	0	0
Financial liabilities:
Time deposits	541,011	503,423
Borrowings	175,000	73,000
Senior debt and subordinated debentures	0	0
Level 3
Financial assets:
Cash and due from banks	0	0
Interest-earning deposits in other banks	0	0
Held-to-maturity investment securities	0	0
Loans, net	3,380,313	2,506,681
Financial liabilities:
Time deposits	0	0
Borrowings	0	0
Senior debt and subordinated debentures	72,393	66,181
Carrying Amount
Financial assets:
Cash and due from banks	73,334	27,627
Interest-earning deposits in other banks	133,503	91,357
Held-to-maturity investment securities	276,061	287,117
Loans, net	3,494,361	2,510,786
Financial liabilities:
Time deposits	541,119	503,451
Borrowings	175,000	73,000
Senior debt and subordinated debentures	75,291	69,526
Fair Value
Financial assets:
Cash and due from banks	73,334	27,627
Interest-earning deposits in other banks	133,503	91,357
Held-to-maturity investment securities	256,072	267,649
Loans, net	3,380,313	2,506,681
Financial liabilities:
Time deposits	541,011	503,423
Borrowings	175,000	73,000
Senior debt and subordinated debentures	$ 72,393	$ 66,181