Share-Based and Other Deferred Compensation - Schedule of Changes in Termination Costs Liability (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 4,589	$ 1,151
Termination Costs Incurred	1,053	22,816
Cash Benefits Paid	(3,033)	(17,978)
Non-Cash Charges	(25)	(603)
Ending Balance	$ 2,584	$ 5,386

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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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.

+ References

No definition available.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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