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Sale of Properties and Properties Held-for-Sale (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) property | Sep. 30, 2017 USD ($)
Sale of Properties |  |  |  |  |
Gross Sales Price |  |  |  | $ 40,456,000 |
Gain on Sales of Real Estate, Net |  |  |  | $ 9,705,000 |
Properties Held-for-Sale |  |  |  |  |
Net book value of properties held for sale | $ 11,652,000 |  | $ 11,652,000 |  |
Retail property, Greenwood Village, Colorado |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price |  |  | 9,500,000 |  |
Gain on Sales of Real Estate, Net |  |  | 6,568,000 |  |
Portfolio of eight retail properties, Louisiana and Mississippi |  |  |  |  |
Sale of Properties |  |  |  |  |
Number of real estate properties sold | property |  |  |  | 8 |
Gross Sales Price |  |  |  | $ 13,750,000 |
Gain on Sales of Real Estate, Net |  |  |  | 787,000 |
Retail property, Killeen, TX |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price |  |  |  | 3,100,000 |
Gain on Sales of Real Estate, Net |  |  |  | 980,000 |
Land, Sandy Springs, Georgia |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price |  |  |  | 8,806,000 |
Gain on Sales of Real Estate, Net |  |  |  | 2,278,000 |
Industrial property, Tomlinson, Pennsylvania |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price |  |  |  | 14,800,000 |
Gain on Sales of Real Estate, Net |  |  |  | $ 5,660,000 |
Property located in Missouri |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price | 10,250,000 |  |  |  |
Gain on Sales of Real Estate, Net |  | $ 2,181,000 |  |  | $ 2,181,000
Properties Held-for-Sale |  |  |  |  |
Net book value of properties held for sale | 7,909,000 |  | 7,909,000 |  |
Property located in Illinois |  |  |  |  |
Sale of Properties |  |  |  |  |
Gross Sales Price | 5,000,000 |  |  |  |
Properties Held-for-Sale |  |  |  |  |
Net book value of properties held for sale | $ 3,743,000 |  | $ 3,743,000 |  |

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- Definition Represents the number of real estate investments sold by the entity during the period. + References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + 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=66902209&loc=d3e3602-108585 + 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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- References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element. + 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(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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