CUSTOMER CONTRACTS, TRADENAMES AND TRADEMARKS, AND OTHER INTANGIBLE ASSETS (Details 3) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Other intangible assets	$ 10,777	$ 10,525
Intangible Assets Excluding Goodwill And Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets	23,247	22,023
Less: accumulated amortization	(12,470)	(11,498)
Other intangible assets, net	$ 10,777	$ 10,525