EMPLOYEE BENEFITS (Profit-Sharing Plan and ESOP) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Profit-Sharing Plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Employer contribution to the profit-sharing plan	$ 4,987	$ 2,904	$ 7,706

Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration