Share Based Compensation Arrangement By Share Based Payment Award, Performance Period

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- Definition

TSR Target Percentage to be achieved to earn max performance units.

+ References

No definition available.

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- Definition

Total Shareholder Return, Performance Percentage Relative To Peer Group

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No definition available.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(i)-(ii)
-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.

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- Details

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Equity - Vesting Schedule of the Nonvested Shares of Restricted Stock Outstanding (Detail) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Target Percentage		50.00%
Performance period	3 years
Restricted Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	312,379	312,379	287,827
Restricted Common Stock \| July 1, 2017 - December 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	119,198	119,198
Restricted Common Stock \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	76,911	76,911
Restricted Common Stock \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	55,595	55,595
Restricted Common Stock \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	40,066	40,066
Restricted Common Stock \| 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	20,609	20,609
LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	241,691	241,691	241,691
LTIP Units \| July 1, 2017 - December 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	70,837	70,837
LTIP Units \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	70,842	70,842
LTIP Units \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	70,838	70,838
LTIP Units \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	29,174	29,174
LTIP Units \| 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	0	0
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	514,998	514,998	514,998
Performance period	3 years
TSR performance percentage relative to peer group	75.00%	75.00%
Performance Units \| July 1, 2017 - December 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	0	0
Performance Units \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	315,998	315,998
Performance Units \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	199,000	199,000
Performance Units \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	0	0
Performance Units \| 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares	0	0