SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION RSU (Details) - Restricted Stock Units (RSUs)	9 Months Ended
Sep. 30, 2017 $ / shares shares
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value \| $ / shares	$ 30.94
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares outstanding, beginning of period (in shares)	231,730
RSU granted (in shares)	188,622
RSU issued (in shares)	(49,538)
RSU forfeited (in shares)	(56,575)
Restricted shares outstanding, end of period (in shares)	314,239
Service-Based
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, alternate award vesting period	2 years
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares outstanding, end of period (in shares)	272,000
Service-Based \| Minimum
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period	1 year
Service-Based \| Maximum
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period	4 years
Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares outstanding, end of period (in shares)	42,000
Performance-Based \| Minimum
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Attainment above threshold performance levels, vesting percentage	80.00%
Performance-Based \| Maximum
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Attainment above threshold performance levels, vesting percentage	150.00%
Performance-Based, Vesting Period One
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage	33.00%
Performance-Based, Vesting Period Two
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage	33.00%

[Line Items] for Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Table]

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Share-based Compensation Arrangement by Share-based Payment Award, Alternate Award Vesting Period

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The weighted average fair value at grant date for nonvested non-option equity-based awards issued during the period.

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Attainment Exceeds Target, Vesting, Percentage

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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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Net number of non-option equity instruments granted to participants.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Percentage of vesting of share-based compensation awards.

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