Represents the number of types of commercial real estate properties.

No definition available.

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- Definition

Total costs of sales and operating expenses for the period.

+ References

+ Details

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- Details

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

+ Details

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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SEGMENT DISCLOSURE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 item	Dec. 31, 2013	Dec. 31, 2012
Segment disclosure
Number of types of commercial real estate properties									3
Revenues	$ 65,252us-gaap_Revenues	$ 63,117us-gaap_Revenues	$ 65,187us-gaap_Revenues	$ 62,597us-gaap_Revenues	$ 60,180us-gaap_Revenues	$ 57,487us-gaap_Revenues	$ 59,838us-gaap_Revenues	$ 58,308us-gaap_Revenues	$ 256,153us-gaap_Revenues	$ 235,813us-gaap_Revenues	$ 232,513us-gaap_Revenues
Property expenses:
General and administrative									7,332us-gaap_GeneralAndAdministrativeExpense	2,568us-gaap_GeneralAndAdministrativeExpense	2,773us-gaap_GeneralAndAdministrativeExpense
EXPENSES									249,111us-gaap_CostsAndExpenses	221,134us-gaap_CostsAndExpenses	212,716us-gaap_CostsAndExpenses
Reportable segments
Property expenses:
Total segment net operating income									127,410	129,208	131,275
Reportable segments \| Office properties
Segment disclosure
Revenues									179,338	175,144	172,583
Property expenses:
Operating									73,666	67,906	66,230
General and administrative									981	1,078	1,122
EXPENSES									74,647	68,984	67,352
Total segment net operating income									104,691	106,160	105,231
Reportable segments \| Hotel properties
Segment disclosure
Revenues									56,096	40,680	41,086
Property expenses:
Operating									39,544	28,825	25,951
General and administrative									150	250	184
EXPENSES									39,694	29,075	26,135
Total segment net operating income									16,402	11,605	14,951
Reportable segments \| Multi-family properties
Segment disclosure
Revenues									20,719	19,989	18,844
Property expenses:
Operating									13,664	8,432	7,407
General and administrative									738	114	344
EXPENSES									14,402	8,546	7,751
Total segment net operating income									$ 6,317	$ 11,443	$ 11,093