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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.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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