Long-term Incentive Plan Units Issued

No definition available.

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- Definition

The company offers to its trustees a premium equity issue offer instead of a cash retainer

+ References

No definition available.

+ Details

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- Definition

Represents shareholders return as percentage of award for achievement level under share based compensation program.

+ References

No definition available.

+ Details

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- Definition

Shareholders Return As Percentage Of Award For Achievement Level Three

+ References

No definition available.

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- Definition

Represents shareholders return as percentage of award for achievement level two.

+ References

No definition available.

+ Details

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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)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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

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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.

+ References

+ Details

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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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- 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

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ 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)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

+ References

+ Details

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ 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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-Publisher FASB
-Name Accounting Standards Codification
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Share Based Payments (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Unit Issuance (in shares)			0
Stock based compensation expense	$ 1,873	$ 1,655	$ 4,279	$ 3,194
Unearned Compensation	$ 3,034		$ 3,034		$ 2,484
Shares Issued (in shares)			655,120
Shares Vested (in shares)	338,855		338,855		206,708
Annual Long Term Equity Incentive Programs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 952	934	$ 2,362	2,130
Unearned Compensation	3,034		$ 3,034		$ 2,484
2016 Multi-Year Long Term Equity Incentive Program (“2016 Multi-Year EIP”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Terms of Share-based payment awards			On March 17, 2016, the Compensation Committee approved the 2016 Multi-Year Long Term Equity Incentive Program ("2016 Multi-Year EIP"). This program has a three-year performance period which commenced on January 1, 2016 and ends December 31, 2018. As of June 30, 2016, no shares or LTIP Units have been issued to the executive officers in settlement of 2016 Multi-Year EIP awards.
Multi-Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	343	217	$ 1,184	384
Unearned Compensation	$ 2,254		$ 2,254		1,548
Shareholders return as percentage of award for achievement level one (in hundredths)	37.50%		37.50%
Shareholders return as percentage of award for achievement level two (in hundredths)	37.50%		37.50%
Shareholders return as percentage of award for achievement level three (in hundredths)	25.00%		25.00%
Shares Issued (in shares)			110,849
Shares Vested (in shares)	55,424		55,424
Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 15	15	$ 30	30
Unearned Compensation	$ 90		$ 90		$ 67
Shares Vested (in shares)	3,005		3,005		3,005
Percentage premium on retainer equity option (in hundredths)	25.00%		25.00%
Restricted Common Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 135	107	$ 256	195
Restricted Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 366		$ 366		$ 491
Shares Issued (in shares)			66,753
Shares Vested (in shares)	51,133		51,133		30,863
Annual Retainer [Member] \| Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 37	23	$ 37	47
Board Of Trustees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	319	271	$ 319	271
Shares Issued (in shares)			17,795
Share Price on date of grant (in dollars per share)			$ 17.96
Non-employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	72	$ 88	$ 91	$ 137
Unearned Compensation	$ 79		$ 79		$ 90
Shares Issued (in shares)			14,738
Shares Vested (in shares)	10,988		10,988		3,762