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Qualified Affordable Housing Projects and Other Tax Credit Investments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Summary of Investment Holdings [Line Items]          
Investment $ 388,342   $ 388,342   $ 290,651
Unfunded Commitment 147,508   147,508   140,214
Amortization Expense 13,188 $ 6,591 30,006 $ 18,407  
Tax Expense (Benefit) Recognized (15,962) (8,254) $ (37,505) $ (23,031)  
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration]     Noninterest Expense Noninterest Expense  
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration]     Noninterest Expense Noninterest Expense  
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration]     Income tax expense Income tax expense  
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration]     Income tax expense Income tax expense  
Low Income Housing Tax Credit (“LIHTC”)          
Summary of Investment Holdings [Line Items]          
Investment, Proportional amortization 249,522   $ 249,522   199,350
Unfunded commitment, Proportional amortization 128,465   128,465   115,345
Amortization Expense 3,699 2,777 10,108 $ 8,042  
Tax Expense (Benefit) Recognized (4,731) (3,739) (13,547) (10,813)  
Federal Historic Tax Credit (“FHTC”)          
Summary of Investment Holdings [Line Items]          
Investment, Equity 26,043   26,043   30,835
Unfunded commitment, Equity 19,043   19,043   24,869
Amortization Expense 2,432 738 3,602 2,000  
Tax Expense (Benefit) Recognized (2,760) (690) (4,178) (2,043)  
New Markets Tax Credit (“NMTC”)          
Summary of Investment Holdings [Line Items]          
Investment, Equity 112,773   112,773   60,462
Unfunded commitment, Equity 0   0   0
Amortization Expense 7,057 3,076 16,296 8,168  
Tax Expense (Benefit) Recognized (8,471) $ (3,825) (19,780) (10,175)  
Renewable Energy          
Summary of Investment Holdings [Line Items]          
Investment, Equity 4   4   4
Unfunded commitment, Equity $ 0   $ 0   $ 0
Amortization Expense       197  
Tax Expense (Benefit) Recognized       $ 0