STOCK BASED COMPENSATION EXPENSE - Unrecognized Compensation Expense (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Unrecognized Compensation Expense
Total unrecognized compensation expense at March 31, 2022	$ 294,239
Options
Unrecognized Compensation Expense
Options	608
Market based RSUs
Unrecognized Compensation Expense
Market Based RSUs and RSUs	139,524
RSUs
Unrecognized Compensation Expense
Market Based RSUs and RSUs	$ 154,107

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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