Performance period.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award cumulative stockholder return rate.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options share based liabilities, current.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options share based liabilities, non-current.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award non vested cash awards weighted average remaining contractual life.

+ References

No definition available.

+ Details

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- Definition

Target level for the determination of performance goals and measures.

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

+ Details

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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

+ Details

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

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

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

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).

+ 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)(3)
-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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- Details

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- Details

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Stockholders' Equity - Additional Information 1 (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2017	May 22, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested cash award ,Unrecognized compensation costs	$ 4.3
Weighted-average remaining contractual life of non vested cash awards	1 year
Liabilities related to cash awards, current	$ 2.5
Liabilities related to cash awards, non current	$ 4.9
Shares issued for SLO Awards	20,587	71,893	101,062
Target level for the determination of performance goals and measures	100.00%
2014 Omnibus Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares of common stock authorized for issuance					4,250,000
Time - Vesting Inducement Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued for SLO Awards	75,000
Restricted stock for granted, Weighted- Average per Share Fair Value on Grant Date during the year	$ 39.95
Inducement award service expiration date	Dec. 31, 2017
Performance - Vesting Inducement Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued for SLO Awards	75,000
Restricted stock for granted, Weighted- Average per Share Fair Value on Grant Date during the year	$ 12.55
Target level for the determination of performance goals and measures	100.00%
Performance Period	2 years
Performance - Vesting Inducement Award [Member] \| Scenario, Forecast [Member] \| Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cumulative total stockholder return				25.00%
Performance - Vesting Inducement Award [Member] \| Minimum [Member] \| Scenario, Forecast [Member] \| Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Price				$ 43.70
Performance - Vesting Inducement Award [Member] \| Minimum [Member] \| Scenario, Forecast [Member] \| Tranche Two [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Price				$ 55.00