Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Number of Monthly Installments

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Eligible for Vesting

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percent Eligible for Time-based Vesting

+ References

No definition available.

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- Definition

Share-based Compensation, Arrangement by Share based Payment Award, Period Use to Calculate Rate of Return

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Ratio of Reduction to Authorized Shares

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Trading Days Number of trading days used to calculate the average closing price of common stock.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement by Share-based Payment, Determination of Performance Based Award

+ References

No definition available.

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- 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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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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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- 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

Percentage of vesting of share-based compensation awards.

+ References

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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 number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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)(2)

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

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- Definition

Period from grant date that an equity-based award expires, 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)(2)

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

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ 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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Employee Benefits and Share-Based Compensation - Stock Award Plans (Details)	0 Months Ended	1 Months Ended				12 Months Ended	0 Months Ended				12 Months Ended	0 Months Ended		12 Months Ended
	Jan. 22, 2013	Dec. 31, 2014 Day	Feb. 28, 2014 Day	Dec. 31, 2012 Day	Dec. 31, 2011 Day	Dec. 31, 2014	Feb. 05, 2014	Dec. 16, 2010	Oct. 01, 2010	May 19, 2009	Dec. 31, 2013	Jan. 17, 2012	Mar. 20, 2014	Dec. 31, 2012
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance							132,500
Performance Period						1 year
Period used to calculate annual rates of return						1 year
Trading days		20	20	20	20
Percentile rank of stockholder return	35.30%
Performance Shares [Member] \| Vesting years subsequent the date of grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						3 years	3 years
2009 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance								2,600,000.0		2,100,000
Reduction to share available for issuance (in per share)						1		1.8	1.4	1.4
Increase to shares authorized											2,500,000
Shares reserved for future issuance		1,800,000				1,800,000
2009 Plan [Member] \| Vesting one year from the vesting commencement date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of award vesting						25.00%
2009 Plan [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						4 years
Expiration period						10 years
2009 Plan [Member] \| Employee Stock Option [Member] \| Vesting one year from the vesting commencement date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						1 year
2009 Plan [Member] \| Employee Stock Option [Member] \| Vesting in equal monthly installments [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Monthly vesting installments						36
2009 Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						4 years
Shares granted						238,000
Vested						181,000
2009 Plan [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted						158,000
Vested						114,000
2011 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards eligible for vesting						120,000						120,000
Vested						30,000
Percentile rank of stockholder return												76.30%
Percentage of shares eligible for time-based vesting												120.00%
2011 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member] \| Vested immediately [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of award vesting							25.00%					25.00%
2012 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards eligible for vesting	62,500
Vested						15,600
Percentage of shares eligible for time-based vesting	50.00%
2012 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member] \| Vested immediately [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of award vesting	25.00%
2013 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards eligible for vesting													137,500
Percentile rank of stockholder return													63.90%
Percentage of shares eligible for time-based vesting													100.00%
2013 Performance Based Restricted Stock Units [Member] \| Performance Shares [Member] \| Vested immediately [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards eligible for vesting						137,500
Vested						68,750
Percentage of award vesting													25.00%
Officer [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted						132,500					137,500			125,000
Awards eligible for vesting														62,500