Estimated forfeiture rate used for recording stock-based compensation expense.

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- Definition

Number of Senior Executives

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- Definition

Share based compensation arrangement by share based payment award option expiration period.

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- Definition

Share Based Compensation Arrangements By Share Based Payment Award Options Exercise Price

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- Definition

Share based compensation performance based stock award shares earned.

+ References

No definition available.

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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)
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

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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- 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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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-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.

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No definition available.

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- Definition

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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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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-Publisher FASB
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Equity Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2007 USD ($) executive $ / shares shares	Jun. 30, 2016 USD ($) shares	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) shares	Jun. 30, 2015 USD ($) shares	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grants under 2014 Incentive Stock Plan		1,037,571		1,037,571
Compensation expense, recognition period				1 year 10 months 24 days
Performance-based awards outstanding (in shares)		550,000		550,000		550,000
Outstanding performance based stock award shares earned (in shares)		76,502		76,502
Stock-based compensation expense \| $		$ 678	$ 1,177	$ 2,401	$ 3,858
Total unrecognized compensation cost \| $		$ 2,933		$ 2,933
Stock option expiration period				10 years
Estimated forfeiture rate used for recording stock-based compensation expense				5.00%
Options granted (in shares)				0	0
Aggregate grant date fair value of stock options \| $	$ 1,430
Vesting Range One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of stock options exercise price vested	25.00%
Vesting Range Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of stock options exercise price vested	30.00%
Vesting Range Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of stock options exercise price vested	35.00%
2004 Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	260,000
Shares, exercise price (in usd per share) \| $ / shares	$ 25.95
Number of senior executives \| executive	8
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option, vesting period				3 years
Performance-based awards outstanding (in shares)		155,305		155,305
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option, vesting period				3 years
Minimum [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option, vesting period				1 year
Compensation expense, recognition period				1 year
Maximum [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option, vesting period				3 years
Compensation expense, recognition period				3 years