Grant date of share-based payment award.

No definition available.

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- Definition

Vesting date of share-based payment award.

+ References

No definition available.

+ Details

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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

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

+ 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

+ Details

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- Definition

The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the 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
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

+ Details

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Period Type:	instant

- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

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Employee Benefit Plans - Restricted Shares Granted (Details) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares	501,076	139,455	168,468
January 2, 2015 - 33% per year over three years [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jan. 02, 2015
Shares	289,163
Grant Date Fair Value Per Share	$ 21.70
Vesting Percentage	33.00%
Vesting Period	3 years
January 2, 2015 - 100% on January 1, 2018 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jan. 02, 2015
Shares	289,163
Grant Date Fair Value Per Share	$ 25.06
Vesting Percentage	100.00%
Vesting Date	Jan. 01, 2018
January 5, 2015 - 100% on January 1, 2017 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jan. 05, 2015
Shares	3,946
Grant Date Fair Value Per Share	$ 21.66
Vesting Percentage	100.00%
Vesting Date	Jan. 01, 2017
January 12, 2015 - 33% per year over three years [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jan. 12, 2015
Shares	3,866
Grant Date Fair Value Per Share	$ 19.40
Vesting Percentage	33.00%
Vesting Period	3 years
January 12, 2015 - 100% on January 11, 2018 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jan. 12, 2015
Shares	3,866
Grant Date Fair Value Per Share	$ 25.06
Vesting Percentage	100.00%
Vesting Date	Jan. 11, 2018
February 1, 2015 - 33% per year over three years [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Feb. 01, 2015
Shares	2,664
Grant Date Fair Value Per Share	$ 18.77
Vesting Percentage	33.00%
Vesting Period	3 years
February 1, 2015 - 100% on January 21, 2018 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Feb. 01, 2015
Shares	2,664
Grant Date Fair Value Per Share	$ 25.06
Vesting Percentage	100.00%
Vesting Date	Jan. 31, 2018
April 1, 2015 - 100% on January 1, 2017 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Apr. 01, 2015
Shares	6,476
Grant Date Fair Value Per Share	$ 14.96
Vesting Percentage	100.00%
Vesting Date	Jan. 01, 2017
July 1, 2015 - 100% on January 1, 2017 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Jul. 01, 2015
Shares	6,631
Grant Date Fair Value Per Share	$ 12.63
Vesting Percentage	100.00%
Vesting Date	Jan. 01, 2017
October 1, 2015 - 100% on January 1, 2017 [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Oct. 01, 2015
Shares	17,876
Grant Date Fair Value Per Share	$ 4.79
Vesting Percentage	100.00%
Vesting Date	Jan. 01, 2017
December 3, 2015 - 33% per year over three years [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Date of Grant	Dec. 03, 2015
Shares	170,454
Grant Date Fair Value Per Share	$ 6.16
Vesting Percentage	33.00%
Vesting Period	3 years