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RETIREMENT BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 2 $ 2
Interest cost 800 848
Expected return on plan assets (908) (1,058)
Amortization of net (gain)/loss 823 1,031
Net periodic benefit cost 717 823
Supplemental Employee Retirement Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 172 204
Interest cost 479 470
Amortization of prior service cost 357 381
Amortization of net (gain)/loss 9 (2)
Net periodic benefit cost $ 1,017 $ 1,053