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

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

Share-based compensation arrangement by share-based payment award, plan modification, number of non-option equity investments, affected

+ References

No definition available.

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- Definition

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.

+ References

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- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

+ References

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- Definition

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

+ References

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- Definition

Other increase (decrease) in number of shares reserved for issuance under non-option equity instrument agreements that is not separately disclosed.

+ References

No definition available.

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- Definition

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

+ References

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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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Percentage of vesting of share-based compensation awards.

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SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION RSU (Details) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Restricted Stock
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		$ 25.51
Share-based compensation arrangement by share-based payment award, plan modification, number of instruments other than options, affected	31,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares and restricted share units outstanding, beginning of period (in shares)		356,509
Restricted shares and restricted share units granted (in shares)		317,524
Restricted shares and restricted share units issued (in shares)		(99,500)
Restricted shares and restricted share units forfeited/canceled (in shares)		(115,301)
Restricted shares and restricted share units outstanding, end of period (in shares)	459,232	459,232
Service-Based \| Restricted Stock
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 and restricted share units outstanding, end of period (in shares)	455,000	455,000
Service-Based \| Minimum \| Employee and non-employee stock options
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		3 years
Service-Based \| Minimum \| Restricted Stock
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 \| Employee and non-employee stock options
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
Service-Based \| Maximum \| Restricted Stock
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 \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares and restricted share units outstanding, end of period (in shares)	4,000	4,000
Performance-Based \| Minimum \| Employee and non-employee stock options
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Attainment above threshold performance levels, vesting percentage		50.00%
Performance-Based \| Minimum \| Restricted Stock
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 \| Employee and non-employee stock options
Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items]
Attainment above threshold performance levels, vesting percentage		200.00%
Performance-Based \| Maximum \| Restricted Stock
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 \| Employee and non-employee stock options
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		25.00%
Performance-Based, Vesting Period One \| Restricted Stock
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 \| Employee and non-employee stock options
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		25.00%
Performance-Based, Vesting Period Two \| Restricted Stock
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 Three \| Employee and non-employee stock options
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		25.00%
Performance-Based, Vesting Period Three \| Restricted Stock
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 Four \| Employee and non-employee stock options
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		25.00%