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Loans and Leases - Summary of Pledged Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans [1] $ 6,728,728 $ 6,358,003
Loans pledged to FHLB    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 875,773 835,101
Loans pledged to FHLB | Asset Pledged as Collateral    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,262,210 1,218,496
Loans pledged to FRB    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,489,505 1,347,645
Loans pledged to FRB | Asset Pledged as Collateral    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 479,267 $ 527,989
[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" or "loans held for investment."