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Real Estate and Lease Intangibles - Summary of Total Operating Revenues and Earnings Recognized on Properties Acquired (Detail) - USD ($) |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 10, 2015 | Apr. 08, 2015 | Feb. 23, 2015 | Feb. 10, 2015 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  | $ 73,749 |  |  |  | $ 11,888,091 | $ 7,170,318 | $ 4,027,687
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition |  |  |  |  |  | $ 43,328 |  | 841,726 | 350,684 | $ 90,669
Parrish Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  |  |  | 139,000 |  |
Spring Valley [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  | $ 327,904 |  |  |  |  |  |  |
McIntosh Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue | $ 43,200 |  |  |  |  |  |  |  |  |
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition | $ 20,255 |  |  |  |  |  |  |  |  |
Sycamore Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  |  |  | 50,000 |  |
Wauchula Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  |  |  | 90,000 |  |
Santa Clara Avenue [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  | $ 1,302,783 |  |  |  |  |  |  |  |
2015 New Real Estate Activity [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  |  |  | 1,975,424 |  |
Earnings |  |  |  |  |  |  |  | $ 1,167,616 |  |
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition |  |  |  |  | $ 20,255 |  |  |  |  |
2015 New Real Estate Activity [Member] | Espinosa Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Jan. 05, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 769,972 |  |
Earnings |  |  |  |  |  |  |  | $ 383,201 |  |
2015 New Real Estate Activity [Member] | Parrish Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Mar. 10, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 203,341 |  |
Earnings |  |  |  |  |  |  |  | $ 57,613 |  |
2015 New Real Estate Activity [Member] | Immokalee Exchange [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Jun. 25, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 480,052 |  |
Earnings |  |  |  |  |  |  |  | $ 313,387 |  |
2015 New Real Estate Activity [Member] | Holt County [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Aug. 20, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 105,954 |  |
Earnings |  |  |  |  |  |  |  | $ 78,315 |  |
2015 New Real Estate Activity [Member] | Rock County [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Aug. 20, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 105,954 |  |
Earnings |  |  |  |  |  |  |  | $ 72,753 |  |
2015 New Real Estate Activity [Member] | Bear Mountain [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Sep. 03, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 271,599 |  |
Earnings |  |  |  |  |  |  |  | $ 249,958 |  |
2015 New Real Estate Activity [Member] | Corbitt Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Nov. 02, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 29,970 |  |
Earnings |  |  |  |  |  |  |  | $ 8,916 |  |
2015 New Real Estate Activity [Member] | Reagan Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  | Dec. 23, 2015 |  |
Rental revenue |  |  |  |  |  |  |  | $ 8,582 |  |
Earnings |  |  |  |  |  |  |  | $ 3,473 |  |
2014 New Real Estate Activity [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Rental revenue |  |  |  |  |  |  |  |  | 1,026,625 |
Earnings |  |  |  |  |  |  |  |  | $ 444,208 |
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition |  |  |  |  |  |  | $ 43,328 |  |  |
2014 New Real Estate Activity [Member] | Collins Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | May 30, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 106,658 |
Earnings |  |  |  |  |  |  |  |  | $ 33,303 |
2014 New Real Estate Activity [Member] | Spring Valley [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Jun. 13, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 148,996 |
Earnings |  |  |  |  |  |  |  |  | $ 81,073 |
2014 New Real Estate Activity [Member] | McIntosh Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Jun. 20, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 58,021 |
Earnings |  |  |  |  |  |  |  |  | $ (22,902) |
2014 New Real Estate Activity [Member] | Naumann Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Jul. 23, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 145,337 |
Earnings |  |  |  |  |  |  |  |  | $ 104,726 |
2014 New Real Estate Activity [Member] | Sycamore Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Jul. 25, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 80,328 |
Earnings |  |  |  |  |  |  |  |  | $ 39,574 |
2014 New Real Estate Activity [Member] | Wauchula Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Sep. 29, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 226,978 |
Earnings |  |  |  |  |  |  |  |  | $ 101,794 |
2014 New Real Estate Activity [Member] | Santa Clara Avenue [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Oct. 29, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 212,078 |
Earnings |  |  |  |  |  |  |  |  | $ 73,833 |
2014 New Real Estate Activity [Member] | Dufau Road [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition Date |  |  |  |  |  |  |  |  | Apr. 11, 2014 |
Rental revenue |  |  |  |  |  |  |  |  | $ 48,229 |
Earnings |  |  |  |  |  |  |  |  | $ 32,807 |

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