Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face amount or stated value per share of common stock.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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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).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares purchased on the open market during the period for issuance to employees under the plan.

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Purchase price of common stock expressed as a percentage of its fair value.

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STOCK-BASED COMPENSATION (Details) - USD ($)			3 Months Ended
STOCK-BASED COMPENSATION (Details) - USD ($)	May. 08, 2014	May. 07, 2013	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Par value of common stock (in dollars per share)			$ 0.0001		$ 0.0001
Equity Option
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based compensation expense			$ 1,100,000	$ 1,900,000
Restricted Stock
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based compensation expense				300,000
Stock Appreciation Rights (SARs)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based compensation expense				(500,000)
Market Based Cash Award
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based compensation expense			$ 300,000	$ 0
Employee Stock
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of shares authorized (in shares)			750,000
Number of shares available for grant (in shares)			564,441
Share-based compensation expense			$ 100,000
Purchase price of common stock, percent		85.00%
Par value of common stock (in dollars per share)			$ 0.0001
Shares purchased on the open market for award (in shares)			185,559
2008 Plan
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Adjustment to number of shares authorized (in shares)	2,500,000
Number of shares authorized (in shares)	9,355,000
Number of shares available for grant (in shares)			1,664,061