CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 67,264	$ 52,337	$ 131,708	$ 109,190
OTHER COMPREHENSIVE (LOSS) INCOME , NET OF TAX:
Unrealized (loss) gain on available-for-sale securities, net of tax of none for both three and six month periods	(319)	(310)	1,001	(2,976)
Actuarial loss on retirement plan, net of tax of of none, $246, none and $246, respectively	0	(761)	0	(761)
Amortization of prior service cost, and actuarial loss and curtailment charge for retirement plan included in net periodic pension costs, net of tax of ($1), ($75), ($2)and ($77), respectively	5	248	9	256
Change in cumulative foreign currency translation adjustment	173	(43)	198	(93)
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(141)	(866)	1,208	(3,574)
COMPREHENSIVE INCOME	$ 67,123	$ 51,471	$ 132,916	$ 105,616