FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Marketable Securities (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		$ 49,995,000
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value	$ 0	49,995,000
Treasury discount notes
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		49,995,000
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		$ 49,995,000

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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