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Income Taxes - Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Income tax at U.S. federal statutory tax rate 21.00% 21.00% 21.00%
State taxes, net of federal benefit 3.50% 3.40% 3.10%
Non-deductible expenses 1.60% 1.40% 0.60%
Affordable housing, new markets and other tax credits (6.20%) (6.80%) (4.20%)
Tax-exempt interest and other nontaxable income (0.90%) (0.80%) (0.40%)
Changes in valuation allowance 0.60% 0.80% 1.00%
Other, net 0.10% 0.20% (0.80%)
Effective income tax rate 19.70% 19.20% 20.30%