COMPENSATION EXPENSE (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance fee compensation	$ 881	$ 71
Performance fee compensation payable	$ 105		$ 985
Percentage vested from participants eligibility date	100.00%
Contributions as a percent of employee eligible wages	3.00%
Accrued contributions	$ 100	100
Retirement plan liability	$ 600		$ 500
Shares authorized for grant (in shares)	4,500,000
Incentive Plan shares available for grant (in shares)	2,300,000
Stock-based compensation (less than in 2017)	$ (37)	836
Reclass of cumulative dividends on forfeited RSUs	$ 416	0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU vesting period	5 years
Reversal of previously recognized compensation	$ 1,800
Unvested RSU compensation cost not yet recognized	$ 17,300
Recognition period for unvested RSU compensation cost	3 years 9 months 18 days
Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum aggregate compensation	$ 600	$ 1,300
Retained Earnings [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reclass of cumulative dividends on forfeited RSUs	$ 416

Maximum Aggregate Compensation

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Percentage vested from participants eligibility date.

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Includes compensation to our professionals directly related to performance fees.

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Amount of payable, as of the balance sheet date, related to performance fees.

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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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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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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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This represents the entire liability recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement and postemployment benefit plans.

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The value of dividends forfeited related to restricted stock awards forfeited.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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