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Real Estate and Intangible Assets - Summary of Total Revenue and Earnings Recognized on Properties Acquired (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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| Real Estate Properties [Line Items] | ||||
| Rental revenue | $ 1,771,106 | $ 996,096 | $ 4,828,033 | $ 2,860,435 |
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2013 New Real Estate Activity [Member]
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| Real Estate Properties [Line Items] | ||||
| Rental revenue | 70,225 | 107,212 | ||
| Earnings | 49,964 | 73,319 | ||
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2013 New Real Estate Activity [Member] | 38th Avenue [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Apr. 05, 2013 | |||
| Rental revenue | 21,821 | 42,673 | ||
| Earnings | 12,377 | 23,674 | ||
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2013 New Real Estate Activity [Member] | Sequoia Street [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | May 31, 2013 | |||
| Rental revenue | 48,404 | 64,539 | ||
| Earnings | 37,587 | 49,645 | ||
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2014 New Real Estate Activity [Member]
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| Real Estate Properties [Line Items] | ||||
| Rental revenue | 235,607 | 269,408 | ||
| Earnings | 77,168 | 94,731 | ||
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2014 New Real Estate Activity [Member] | Collins Road [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | May 30, 2014 | |||
| Rental revenue | 45,293 | 61,365 | ||
| Earnings | 10,662 | 18,940 | ||
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2014 New Real Estate Activity [Member] | Spring Valley [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Jun. 13, 2014 | |||
| Rental revenue | 67,725 | 81,270 | ||
| Earnings | 36,366 | 44,700 | ||
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2014 New Real Estate Activity [Member] | McIntosh Road [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Jun. 20, 2014 | |||
| Rental revenue | 20,549 | 24,733 | ||
| Earnings | (41,294) | (40,343) | ||
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2014 New Real Estate Activity [Member] | Naumann Road [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Jul. 23, 2014 | |||
| Rental revenue | 62,920 | 62,920 | ||
| Earnings | 44,514 | 44,514 | ||
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2014 New Real Estate Activity [Member] | Sycamore Road [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Jul. 25, 2014 | |||
| Rental revenue | 34,252 | 34,252 | ||
| Earnings | 22,052 | 22,052 | ||
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2014 New Real Estate Activity [Member] | Wauchula Road [Member]
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| Real Estate Properties [Line Items] | ||||
| Acquisition Date | Sep. 29, 2014 | |||
| Rental revenue | 4,868 | 4,868 | ||
| Earnings | $ 4,868 | $ 4,868 | ||