SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Corporate Restructuring) (Details) - 2019 Restructuring Plan $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Balance at December 31, 2019	$ 9,685
Charges	2,650
Charges paid/settled	(12,035)
Balance at December 31, 2020	$ 300

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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