Long-Term Stock Incentive Plan - Additional Information (Details) (Restricted Stock, USD $)	1 Months Ended
May 31, 2014
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Share awarded and issued	91,076
Weighted average grant date fair value	$ 31.44
Third Anniversary Of Grant Date [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting percentage of stock options issued	50.00%
Fifth Anniversary Of Grant Date [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting percentage of stock options issued	50.00%

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Share Based Compensation Arrangement by Share based Payment Award, Vesting Percentage

+ 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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