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AVAILABLE-FOR-SALE INVESTMENTS - Investments by Major Security Type (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 99,234	$ 167,602
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(642)	(237)
Total Fair Value	98,592	167,365
Commercial Paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	32,997	76,961
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(241)	(31)
Total Fair Value	32,756	76,930
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	58,791	84,771
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(349)	(183)
Total Fair Value	58,442	84,588
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	7,446	5,870
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(52)	(23)
Total Fair Value	$ 7,394	$ 5,847

X

- Definition

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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