Fair Value - Carrying Amount and Fair Value of Other Significant Financial Instruments Not Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financial Assets
HTM debt securities	$ 586,178	$ 635,186
Time deposits with other banks	14,424	3,215
Loans, net	12,449,181	10,161,895
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
HTM debt securities	0	0
Time deposits with other banks	0	0
Loans, net	0	0
Financial Liabilities
Deposits	0	0
FHLB borrowings	0	0
Subordinated debt	0
Long-term debt		0
Significant Other Observable Inputs (Level 2)
Financial Assets
HTM debt securities	489,560	507,594
Time deposits with other banks	13,455	3,194
Loans, net	0	0
Financial Liabilities
Deposits	0	0
FHLB borrowings	833,483	243,795
Subordinated debt	90,248
Long-term debt		95,563
Significant Unobservable Inputs (Level 3)
Financial Assets
HTM debt securities	0	0
Time deposits with other banks	0	0
Loans, net	12,263,824	10,019,964
Financial Liabilities
Deposits	16,257,291	12,242,205
FHLB borrowings	0	0
Subordinated debt	0
Long-term debt		0
Carrying Amount
Financial Assets
HTM debt securities	586,178	635,186
Time deposits with other banks	14,424	3,215
Loans, net	12,449,181	10,160,056
Financial Liabilities
Deposits	16,256,343	12,242,427
FHLB borrowings	835,000	245,000
Subordinated debt	$ 95,161
Long-term debt		$ 106,966