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, 2022
Dec. 31, 2021
Dec. 31, 2020
Income tax at statutory federal rate, amount $ 64,796 $ 53,203 $ 44,984
Income tax at statutory federal rate, pre-tax earnings 21.00% 21.00% 21.00%
State income tax, net of federal tax effect, amount $ 7,247 $ 4,952 $ 3,230
State income tax, net of federal tax effect, pre-tax earnings 2.35% 1.95% 1.51%
Tax-exempt income, net of expenses, amount $ (188) $ (242) $ (354)
Tax-exempt income, net of expenses, pre-tax earnings (0.06%) (0.10%) (0.17%)
Bank owned life insurance contracts, amount $ (1,812) $ (1,395) $ (1,325)
Bank owned life insurance contracts, pre-tax earnings (0.59%) (0.55%) (0.62%)
Excess tax benefit from stock compensation, amount $ (1,091) $ (2,335) $ (1,306)
Excess tax benefit from stock compensation, pre-tax earnings (0.35%) (0.92%) (0.61%)
Federal tax credits, net of related amortization, amount $ (11,131) $ (11,019) $ (563)
Federal tax credits, net of related amortization, pre-tax earnings (3.61%) (4.35%) (0.26%)
Other, amount $ (497) $ 2,451 $ (27)
Other, pre-tax earnings (0.16%) 0.97% (0.01%)
Effective income tax and rate, amount $ 57,324 $ 45,615 $ 44,639
Effective income tax and rate, pre-tax earnings 18.58% 18.00% 20.84%