Loans and Allowance for Credit Losses - Schedule of Amortized Cost Basis of Collateral-Dependent Loans by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	$ 7,883,018	$ 7,882,755
Business or Other Assets
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	2,410	3,428
Business or Other Assets | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	1,532	1,674
Business or Other Assets | Income-producing - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	878	1,754
Business or Other Assets | Owner-occupied - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	0	0
Business or Other Assets | Real estate mortgage - residential
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	0	0
Business or Other Assets | Construction - commercial and residential
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	0	0
Business or Other Assets | Home equity
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	0	0
Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	89,669	62,707
Real Estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	1,218	1,240
Real Estate | Income-producing - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	66,724	39,172
Real Estate | Owner-occupied - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	19,798	19,836
Real Estate | Real estate mortgage - residential
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	1,692	1,692
Real Estate | Construction - commercial and residential
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	0	525
Real Estate | Home equity
Loans and Leases Receivable Disclosure [Line Items]
Financing receivable, net	$ 237	$ 242