Fair Value - Schedule of Carrying Amount and Fair Value of Other Significant Financial Instruments Not Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial Assets
HTM debt securities	$ 564,067	$ 586,178
Time deposits with other banks	747	14,424
Loans, net	12,963,389	12,449,181
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
HTM debt securities	0	0
Time deposits with other banks		0
Loans, net	0	0
Financial Liabilities
Deposits	0	0
FHLB borrowings	0	0
Subordinated debt	0	0
Significant Other Observable Inputs (Level 2)
Financial Assets
HTM debt securities	465,718	489,560
Time deposits with other banks		13,455
Loans, net	155,803	0
Financial Liabilities
Deposits	0	0
FHLB borrowings	835,044	833,483
Subordinated debt	92,149	90,248
Significant Unobservable Inputs (Level 3)
Financial Assets
HTM debt securities	0	0
Time deposits with other banks		0
Loans, net	12,572,349	12,263,824
Financial Liabilities
Deposits	16,791,947	16,257,291
FHLB borrowings	0	0
Subordinated debt	0	0
Carrying Value
Financial Assets
HTM debt securities	564,067	586,178
Time deposits with other banks		14,424
Loans, net	12,963,389	12,449,181
Financial Liabilities
Deposits	16,792,295	16,256,343
FHLB borrowings	835,000	835,000
Subordinated debt	$ 95,515	$ 95,161