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STOCK AWARD PLANS - Employee Stock Purchase Plan Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares purchased by employees (shares) | 51,276 |  |  |
Aggregate cost to employees | $ 4,419 |  |  |
Expense recognized by the company | 27,929 | $ 29,161 | $ 52,535 | $ 53,150
Company expense on ESPP discount |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Expense recognized by the company | $ 779 | $ 733 | $ 2,103 | $ 1,807

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- Definition Total Employee cost of shares purchased during the period through the Employee Stock Purchase Plan. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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