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INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
INCOME TAXES |  |  |  |
Tax at statutory rate | 21.00% | 21.00% | 21.00% | 21.00%
Nontaxable interest and dividends | (0.60%) | (0.30%) | (0.50%) | (0.30%)
Tax credits | (1.70%) | (1.50%) | (1.70%) | (1.60%)
State taxes | 1.60% | 1.40% | 1.70% | 1.50%
Other | 0.20% | 0.30% |  | 0.30%
Effective Income Tax Rate Reconciliation, Percent, Total | 20.50% | 20.90% | 20.50% | 20.90%
Tax obligation under tax examinations |  |  |  | $ 4.0

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