EMPLOYEE BENEFIT PLANS (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Contribution Plan Disclosure [Line Items]
Credited service period	1 year
Pension expense	$ 2,722	$ 3,114	$ 2,988
Employer contributions to profit sharing and retirement savings-investment plan	$ 2,766	$ 2,858	$ 2,734