OTHER BALANCE SHEET DETAILS - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (220,644)	$ (158,223)
Other comprehensive income (loss) before reclassifications	(6,331)	8,346
Amounts reclassified from accumulated other comprehensive loss	4,880	3,969
Net other comprehensive (loss) income	(1,451)	12,315
Ending balance	32,354	(165,866)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(23,375)	(44,654)
Ending balance	(24,826)	(32,339)
Loss on Investment in Joint Venture
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(32,792)	(32,792)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	0	0
Net other comprehensive (loss) income	0	0
Ending balance	(32,792)	(32,792)
Defined Benefit Pension Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(2,753)	(1,092)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	93	(19)
Net other comprehensive (loss) income	93	(19)
Ending balance	(2,660)	(1,111)
Unrealized Gains (Losses) from Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1,548	(9,470)
Other comprehensive income (loss) before reclassifications	(4)	(10)
Amounts reclassified from accumulated other comprehensive loss	4,787	3,988
Net other comprehensive (loss) income	4,783	3,978
Ending balance	6,331	(5,492)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	10,622	(1,300)
Other comprehensive income (loss) before reclassifications	(6,327)	8,356
Amounts reclassified from accumulated other comprehensive loss	0	0
Net other comprehensive (loss) income	(6,327)	8,356
Ending balance	$ 4,295	$ 7,056