v3.26.1
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost $ 8,863 $ 10,012
Expected return on plan assets (9,344) (9,442)
Amortization of prior service cost 0 75
Benefit plans, net (481) 645
Service cost 0 100
Net periodic benefit (credit) cost (481) 745
Other Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost 52 63
Expected return on plan assets 0 0
Amortization of prior service cost 0 71
Benefit plans, net 52 134
Service cost 5 5
Net periodic benefit (credit) cost $ 57 $ 139