Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Reconciliation between Federal Statutory Income Tax Rate and Effective Tax Rate (Detail)

v3.25.0.1
Income Taxes - Reconciliation between Federal Statutory Income Tax Rate and Effective Tax Rate (Detail)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 21.00% 21.00% 21.00%
State taxes, net of federal tax benefits 8.77% 9.06% 7.33%
Tax credit - federal (1.76%) (1.52%) (1.30%)
Low-income housing amortization 2.05% 1.64% 1.34%
Other (0.26%) (0.03%) (0.42%)
Effective tax rate 29.80% 30.15% 27.95%