EMPLOYEE RETIREMENT PLANS - Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of net periodic pension cost [Abstract]
Service cost	$ 951	$ 1,287
Interest cost	$ 2,898	$ 1,383
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Liability, Defined Benefit Plan, Noncurrent	Liability, Defined Benefit Plan, Noncurrent	Liability, Defined Benefit Plan, Noncurrent
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Liability, Defined Benefit Plan, Noncurrent	Liability, Defined Benefit Plan, Noncurrent	Liability, Defined Benefit Plan, Noncurrent
Supplemental Executive Retirement Plan [Member]
Components of net periodic pension cost [Abstract]
Service cost	$ 951	$ 1,287	$ 1,675
Interest cost	2,898	1,383	1,165
Amortization of prior service cost	815	1,119	1,099
Amortization of loss	480	1,487	4,936
Total net periodic benefit cost	$ 5,144	$ 5,276	$ 8,875