PENSION AND RETIREMENT PLANS LIABILITIES - Components of net periodic benefit cost (Details) - Retirement Income Plan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 243	$ 247	$ 486	$ 494
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.
Expected return on plan assets		$ (377)		$ (754)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Selling, General and Administrative Expenses.		Selling, General and Administrative Expenses.
Amortization of net losses	$ 252	$ 202	$ 505	$ 404
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.	Selling, General and Administrative Expenses.
Net periodic benefit cost	$ 495	$ 72	$ 991	$ 144