STOCK BASED COMPENSATION - Stock Incentive Plans (Details)	Dec. 31, 2016 shares
2015 Plan \| Common Stock
Stock-based compensation
Number of shares reserved for issuance under the plan	1,000,000
2007 Stock Incentive Plan \| Stock options
Stock-based compensation
Share-based compensation arrangement by share-based payment award, future awards, shares	0
2007 Stock Incentive Plan \| Common Stock
Stock-based compensation
Number of shares reserved for issuance under the plan	650,000

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant