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INCOME TAXES (Reconciliation Between Expected and Actual Income Tax Expense and Resulting Effective Tax Rate) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Deferred Tax Assets, Net [Abstract] |  |  |
Expected federal income tax expense | $ 50,361 | $ 58,790 | $ 66,939
State income tax expense (benefit), net of federal effect | 530 | 782 | (72)
Tax-exempt income, net of expense disallowance | (11,123) | (11,615) | (9,820)
Bank owned life insurance | (2,469) | (2,415) | (2,412)
Other, net | 784 | (98) | 207
Income tax expense | $ 38,083 | $ 45,444 | $ 54,842
Effective income tax rate | 15.90% | 16.20% | 17.20%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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