Annual report pursuant to Section 13 and 15(d)

Note 16 - Income Taxes - Reconciliation From Federal Income Tax Statutory Rates to Income Before Income Taxes (Details)

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Note 16 - Income Taxes - Reconciliation From Federal Income Tax Statutory Rates to Income Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income tax at statutory federal rate, amount $ 51,363 $ 64,796 $ 53,203
Income tax at statutory federal rate, pre-tax earnings 21.00% 21.00% 21.00%
State income tax, net of federal tax effect, amount $ 3,339 $ 7,247 $ 4,952
State income tax, net of federal tax effect, pre-tax earnings 1.37% 2.35% 1.95%
Tax-exempt income, net of expenses, amount $ (92) $ (188) $ (242)
Tax-exempt income, net of expenses, pre-tax earnings (0.04%) (0.06%) (0.10%)
Bank owned life insurance contracts, amount $ (1,591) $ (1,812) $ (1,395)
Bank owned life insurance contracts, pre-tax earnings (0.65%) (0.59%) (0.55%)
Excess tax benefit from stock compensation, amount $ (1,242) $ (1,091) $ (2,335)
Excess tax benefit from stock compensation, pre-tax earnings (0.51%) (0.35%) (0.92%)
Federal tax credits, net of related amortization, amount $ (16,002) $ (11,131) $ (11,019)
Federal tax credits, net of related amortization, pre-tax earnings (6.54%) (3.61%) (4.35%)
Other, amount $ 1,960 $ (497) $ 2,451
Other, pre-tax earnings 0.80% (0.16%) 0.97%
Effective income tax and rate, amount $ 37,735 $ 57,324 $ 45,615
Effective income tax and rate, pre-tax earnings 15.43% 18.58% 18.00%