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SHARE-BASED COMPENSATION AND BENEFIT PLANS (Stock Option Activity) (Details) - Employee stock option [Member] - Stock option [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Share-Based Compensation and Benefit Plans |  |  |  |
Compensation expense for share-based compensation | $ 4,736 | $ 4,473 | $ 15,103 | $ 13,908
Income tax benefit from compensation expense for share-based compensation | $ 1,169 | $ 1,123 | $ 3,727 | $ 3,492

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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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