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EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Thousands	12 Months Ended
EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Thousands	Dec. 31, 2019 USD ($) plan	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Retirement Benefits [Abstract]
Number of savings plan \| plan	2
Provision for profit sharing contributions \| $	$ 592	$ 825	$ 395
Provision for matching 401(k) savings plan contributions \| $	$ 3,451	$ 3,153	$ 2,594
Number of unfunded plans \| plan	2