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Acquisitions and Discontinued Operations (Narrative) (Details) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Feb. 28, 2014 | Jan. 31, 2014 acre | Mar. 31, 2014 acre | Mar. 31, 2013 acre | Dec. 31, 2013 | Apr. 30, 2014 Subsequent Event [Member] acre
Acres of land acquired |  | 2.9 |  |  |  | 7.6
Payments to Acquire Land |  | $ 15,600,000 |  |  |  | $ 23,800,000
Number of operating properties sold |  |  | 0 |  | 12 |
Number of Apartment Units in operating Property Disposed | 558 |  |  |  | 3,931 |
Acres of land sold |  |  | 3.0 | 3.7 |  | 4.7
Sales price of land parcels |  |  | 6,300,000 | 6,600,000 |  | 8,300,000
Gain on sale of land |  |  | $ 354,000 | $ 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 Number of operating properties sold during the period. + References No definition available. + Details
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- Definition Area of land held. + 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 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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