ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
BALANCE		$ 1,616,525,000	$ 1,447,226,000
Reclassification to net income		4,000	8,000
Other comprehensive loss		1,349,000	(2,708,000)
BALANCE		1,659,332,000	1,484,900,000
Unrealized gain (loss) on available-for-sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
BALANCE		1,269,000	858,000
Other comprehensive gain (loss) before reclassification		1,320,000	(2,666,000)
Reclassification to net income	[1]	0	0
Other comprehensive loss		1,320,000	(2,666,000)
BALANCE		2,589,000	(1,808,000)
Net unrealized gain (loss) on retirement plan [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
BALANCE	[2]	(2,106,000)	(1,808,000)
Other comprehensive gain (loss) before reclassification	[2]	0	0
Reclassification to net income	[1]	4,000	8,000	[2]
Other comprehensive loss	[2]	4,000	8,000
BALANCE	[2]	(2,102,000)	(1,800,000)
Change in cumulative foreign currency translation adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
BALANCE		(218,000)	(136,000)
Other comprehensive gain (loss) before reclassification		25,000	(50,000)
Reclassification to net income	[1]	0	0
Other comprehensive loss		25,000	(50,000)
BALANCE		(193,000)	(186,000)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
BALANCE		(1,055,000)	(1,086,000)
Other comprehensive gain (loss) before reclassification		1,345,000	(2,716,000)
Reclassification to net income	[1]	4,000	8,000
Other comprehensive loss		1,349,000	(2,708,000)
BALANCE		$ 294,000	$ (3,794,000)

[1] The Company reclassified amortization of prior service cost and actuarial loss for its retirement plan from accumulated other comprehensive income (loss) to net income of $4,000 and $8,000 for the three months ended March 31, 2025 and 2024, respectively.

[2] Refer to Note 17: Retirement Plan Benefit Liability.