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.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Name Regulation S-X (SX)

-Number 210

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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SHARE-BASED COMPENSATION (Details 2) (USD $)	3 Months Ended		0 Months Ended
SHARE-BASED COMPENSATION (Details 2) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Jan. 28, 2014	Dec. 31, 2014
SHARE-BASED COMPENSATION
Share-based compensation expense	$ 1,621,000	$ 3,539,000
Accrued compensation	11,972,000			18,673,000
Number of remaining shares available for issuance under current plan	602,449
Nonvested share awards
SHARE-BASED COMPENSATION
Unrecognized compensation cost related to outstanding, unvested stock options and restricted stock	10,700,000
Weighted average recognition period of unrecognized compensation cost	2 years 7 months 6 days
Share awards
SHARE-BASED COMPENSATION
Restricted stock granted (in shares)	314,869
Weighted-average grant date fair value (in dollars per share)	$ 18.28
2014 Performance-based RSAs
SHARE-BASED COMPENSATION
Restricted stock granted (in shares)	340,000
Weighted-average grant date fair value (in dollars per share)	$ 18.17
2014 Performance-based RSAs \| Minimum
SHARE-BASED COMPENSATION
Vesting period	1 year
2014 Performance-based RSAs \| Maximum
SHARE-BASED COMPENSATION
Vesting period	3 years
Service RSAs
SHARE-BASED COMPENSATION
Restricted stock granted (in shares)	50,000
Weighted-average grant date fair value (in dollars per share)	$ 17.74
Service RSAs \| Minimum
SHARE-BASED COMPENSATION
Vesting period	1 year
Service RSAs \| Maximum
SHARE-BASED COMPENSATION
Vesting period	3 years
Stock options
SHARE-BASED COMPENSATION
Unrecognized compensation cost related to outstanding, unvested stock options and restricted stock	1,600,000
Weighted average recognition period of unrecognized compensation cost	2 years 9 months 18 days
Strategic Executive Incentive Plan \| 2014 Performance-based RSAs \| Vest one year after and upon certification of achievement of performance criteria by the compensation committee of the Board
SHARE-BASED COMPENSATION
Restricted stock granted (in shares)			225,000
Weighted-average grant date fair value (in dollars per share)			$ 15.02
Employee performance-based annual incentive compensation awards
SHARE-BASED COMPENSATION
Share-based compensation expense	$ 1,000,000