v3.26.3
QUALIFIED AFFORDABLE HOUSING PROJECTS AND OTHER TAX CREDIT INVESTMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Summary of Investment Holdings [Line Items]          
Investment $ 435,611   $ 435,611   $ 410,045
Unfunded Commitment 120,320   120,320   $ 152,281
Amortization Expense 16,278 $ 13,188 45,442 $ 30,006  
Tax Expense (Benefit) Recognized $ (20,248) (15,962) $ (57,168) $ (37,505)  
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 Method, Elected, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable and other assets   Accrued interest receivable and other assets   Accrued interest receivable and other assets
Investment, Proportional amortization $ 284,371   $ 284,371   $ 257,752
Unfunded Commitment, Proportional amortization 105,787   105,787   135,776
Amortization Expense 6,950 3,699 18,476 $ 10,108  
Tax Expense (Benefit) Recognized (8,230) (4,731) (22,667) (13,547)  
Federal Historic Tax Credit (“FHTC”)          
Summary of Investment Holdings [Line Items]          
Investment, Equity 24,627   24,627   23,964
Unfunded Commitment, Equity 14,533   14,533   16,505
Amortization Expense 1,197 2,432 3,917 3,602  
Tax Expense (Benefit) Recognized (1,659) (2,760) (5,081) (4,178)  
New Markets Tax Credit (“NMTC”)          
Summary of Investment Holdings [Line Items]          
Investment, Equity 126,611   126,611   128,325
Unfunded Commitment, Equity 0   0   0
Amortization Expense 8,131 7,057 23,049 16,296  
Tax Expense (Benefit) Recognized (10,359) $ (8,471) (29,420) $ (19,780)  
Renewable Energy          
Summary of Investment Holdings [Line Items]          
Investment, Equity 2   2   4
Unfunded Commitment, Equity $ 0   $ 0   $ 0