ACCUMULATED OTHER COMPREHENSIVE LOSS -Defined Benefit Pension (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at the beginning of the period	$ 1,638,286	$ 1,430,312
Balance at the end of the period	1,691,975	1,638,286
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at the beginning of the period	(7,217)	0
Other comprehensive loss before reclassifications	(7,442)	(8,392)
Amounts reclassified from AOCL	737	1,175
Balance at the end of the period	$ (13,922)	$ (7,217)