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Acquisitions and Discontinued Operations (Narrative) (Details) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2014 acre | Mar. 31, 2014 acre | Jan. 31, 2014 acre | Jun. 30, 2014 | Mar. 31, 2014 acre | Jun. 30, 2013 acre | Jun. 30, 2014 | Jun. 30, 2013 acre | Dec. 31, 2013
Acres of land acquired | 7.6 |  | 2.9 |  |  |  |  |  |
Payments to Acquire Land | $ 23,800,000 |  | $ 15,600,000 |  |  |  |  |  |
Impairment associated with land holdings |  |  |  | 1,152,000 |  | 0 | 1,152,000 | 0 |
Number of operating properties sold |  |  |  |  |  |  | 0 |  | 12
Number of Apartment Units in operating Property Disposed |  |  |  |  |  |  |  |  | 3,931
Acres of land sold | 4.7 | 3.0 |  |  | 3.0 | 3.7 |  | 3.7 |
Sales price of land parcels | 8,300,000 | 6,300,000 |  |  |  |  |  | 6,600,000 |
Gain on sale of land |  |  |  | $ 1,447,000 | $ 354,000 | $ 0 | $ 1,801,000 | $ 698,000 |

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- Definition Number of apartment units in property disposed of or held for sale during the period. + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
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- Definition The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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