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INCOME TAXES - Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective tax rate reconciliation
Federal statutory income tax rate	21.00%	21.00%	21.00%
Increase (reduction) in taxes resulting from:
Tax-exempt interest	(1.00%)	(1.70%)	(1.30%)
State income taxes, net of federal benefit	4.10%	2.20%	3.30%
Stock-based compensation	(0.20%)	(0.20%)	(0.30%)
Federal tax credits, net of amortization	(0.60%)	(0.50%)	(1.00%)
Other, net	(0.40%)	0.80%	0.00%
Effective income tax rate	22.90%	21.60%	21.70%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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