Unrecognized cost of unvested options awarded to employees as compensation in year three.

No definition available.

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- Definition

Period within which after certain date, that shares vested are expected to be issued.

+ References

No definition available.

+ Details

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- Definition

Represents vesting condition of shares within specified days following the first anniversary of the grant date.

+ References

No definition available.

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- Definition

The cumulative number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited as of the report date.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Period Type:	duration

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:sharesItemType
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- References

No definition available.

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Balance Type:	na
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- Definition

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).

+ 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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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).

+ 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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ 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 (d)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Balance Type:	debit
Period Type:	duration

- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ 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 (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage of vesting of share-based compensation awards.

+ References

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Details

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- Details

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- Details

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STOCK-BASED COMPENSATION - RSUs (Details) - USD ($) $ / shares in Units, $ in Millions							12 Months Ended
	Dec. 05, 2017	May 16, 2017	Dec. 07, 2016	Sep. 09, 2016	Dec. 03, 2015	Jun. 24, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restricted stock units
Issuance of common stock for vested 2015, 2016 and 2017 restricted stock units (in shares)							278,480	278,483	574,546
RSU's \| 2012 Equity Incentive Plan
Restricted stock units
Granted (in shares)						1,663,660	74,000		1,664,000
Per share value of RSUs									$ 13.19
Issuance of common stock for vested 2015, 2016 and 2017 restricted stock units (in shares)	278,480		278,483		574,546
Share price (in dollars per share)						$ 14.00
Vesting percentage						20.00%
Shares forfeited to date							44,919
Shares remaining to be issued in future years (in shares)							317,757
Total fair value							$ 1.4	$ 1.2	$ 5.4
Incremental compensation cost						$ 22.0
Future amortization of the unamortized stock-based compensation balance, 2018							$ 1.1
Weighted Average Remaining Contractual Term (in years)							1 year	2 years
RSU's \| 2012 Equity Incentive Plan \| General and administrative expense
Restricted stock units
Amortization of the fair value of stock options / Compensation expense							$ 3.1	$ 5.8	$ 11.9
RSU's \| 2012 Equity Incentive Plan \| Share-based Compensation Award, Tranche One
Restricted stock units
Period for shares vested expected to be issued					3 days
RSU's \| 2012 Equity Incentive Plan \| Share-based Compensation Award, Tranche Two
Restricted stock units
Period for shares vested expected to be issued					3 days
RSU's \| 2012 Equity Incentive Plan \| Non Employee Director
Restricted stock units
Granted (in shares)		44,856		28,752
Per share value of RSUs		$ 5.35		$ 6.26
Vesting period of shares		30 days
Amortization period from date of grant		1 year
Issuance of common stock for vested 2015, 2016 and 2017 restricted stock units (in shares)		28,752