Loans and Allowance for Credit Losses - Schedule of Amortized Cost Basis of Collateral-Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]
Total	$ 6,442,573	$ 7,120,855
Business/Other Assets
Loans and Leases Receivable Disclosure [Line Items]
Total	31,145	16,165
Business/Other Assets | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total	13,820	15,285
Business/Other Assets | Income producing - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total	15,493	880
Business/Other Assets | Owner occupied - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total	838	0
Business/Other Assets | Real estate mortgage - residential:
Loans and Leases Receivable Disclosure [Line Items]
Total	283	0
Business/Other Assets | Construction - commercial and residential:
Loans and Leases Receivable Disclosure [Line Items]
Total	683	0
Business/Other Assets | Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total	28	0
Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Total	135,271	90,732
Real Estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total	6,752	2,813
Real Estate | Income producing - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total	121,415	61,657
Real Estate | Owner occupied - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total	2,392	7,938
Real Estate | Real estate mortgage - residential:
Loans and Leases Receivable Disclosure [Line Items]
Total	258	579
Real Estate | Construction - commercial and residential:
Loans and Leases Receivable Disclosure [Line Items]
Total	3,865	17,394
Real Estate | Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total	$ 589	$ 351