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Investment in Unconsolidated Joint Ventures (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Sep. 30, 2015 USD ($) property | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) property item | Sep. 30, 2014 USD ($) | Dec. 31, 2014 USD ($) property item
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |  |
Number of unconsolidated joint ventures | item |  |  |  |  | 5 |  | 5
Number of properties owned and operated by each unconsolidated joint venture | property |  |  | 1 |  | 1 |  | 1
Equity in earnings of unconsolidated joint ventures |  |  | $ 347,000 | $ 134,000 | $ 311,000 | $ 397,000 |
Variable Interest Entities |  |  |  |  |  |  |
Payments to acquire interest in joint venture |  |  |  |  | 12,686,000 |  |
Investment in unconsolidated joint ventures |  |  | 11,273,000 |  | 11,273,000 |  | $ 4,907,000
Shopko retail stores, Lincoln, Nebraska |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |
Percentage of equity method investments acquired | 50.00% |  |  |  |  |  |
Payments to acquire interest in joint venture | $ 6,300,000 |  |  |  |  |  |
Retail center located in Manahawkin, New Jersey |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |
Percentage of equity method investments acquired |  | 50.00% |  |  |  |  |
Payments to acquire interest in joint venture |  | $ 43,500,000 |  |  |  |  |
Debt financed |  | $ 26,100,000 |  |  |  |  |
Annual fixed interest rate (as a percent) |  | 4.00% |  |  |  |  |
Investment in unconsolidated joint ventures |  |  | $ 8,808,000 |  | 8,808,000 |  |
Company share of acquisition expense |  |  |  |  | $ 400,000 |  |

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