RETIREMENT PLANS AND OTHER POST-RETIREMENT BENEFITS - Schedule of Net Periodic Costs of Pension and Post Retirement Medical Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Stock-based compensation benefit			$ 5,800
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	0	$ 0
Interest cost	362	179	773	414
Amortization of prior service cost	6	11	12	22
Amortization of actuarial (loss) gain	21	164	43	331
Pension settlement charge	0	0	633	0
Total net periodic benefit expense	389	354	1,461	767
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	0	5	0
Interest cost	45	32	89	65
Amortization of prior service cost	5	26	10	52
Amortization of actuarial (loss) gain	(12)	0	(25)	0
Total net periodic benefit expense	$ 40	$ 58	$ 79	$ 117