INVESTMENTS - Summary of debt securities by major security type (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 94,684	$ 97,755
Gross Unrealized Gains	37	24
Gross Unrealized Losses	(77)	(143)
Fair Value	94,644	97,636
Municipal Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,346
Gross Unrealized Gains	2
Gross Unrealized Losses	0
Fair Value	1,348
Corporate Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	48,197	53,452
Gross Unrealized Gains	34	22
Gross Unrealized Losses	(27)	(40)
Fair Value	48,204	53,434
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	45,141	44,303
Gross Unrealized Gains	1	2
Gross Unrealized Losses	(50)	(103)
Fair Value	45,092	44,202
Certificates of Deposit
Debt Securities, Available-for-Sale [Line Items]
Certificates of Deposit	$ 6,693	$ 6,417

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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