Noncontrolling Interest - Limited Partners' Mezzanine OP Units (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Nonconcontrolling Interest - Limited Partners' Mezzanine OP Units [Abstract]
Balance, beginning of year	$ 414,000	$ 623,000
Net income (loss)	11,000	(2,000)
Unrealized (loss) on change in fair value of cash flow hedges	(2,000)
Total other comprehensive income (loss)	9,000	(2,000)
Distributions	(12,000)	(14,000)
Redemptions of OP Units		(160,000)
Reallocation adjustment of limited partners' interest	(15,000)	(33,000)
Balance, end of year	$ 396,000	$ 414,000

Income Loss, Noncontrolling Interest, Limited Operating Partnership

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- Definition

Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

+ Details

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- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569655-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4616395-111683

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- Definition

Carrying amount of the equity interests owned by noncontrolling partners in an operating partnership included in the entity's consolidated financial statements.

+ References

No definition available.

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- Definition

The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

+ References

No definition available.

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- Definition

Amount after tax and reclassification adjustments, of (increase) decrease in accumulated (gain) loss from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's (increase) decrease in deferred hedging (gain) loss, attributable to noncontrolling interests.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 19

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

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- Definition

Amount after tax of other comprehensive (income) loss attributable to noncontrolling interests.

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