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Real Estate and Intangible Assets - Summary of Geographic Locations of Properties (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) a farm | Mar. 31, 2016 USD ($) a farm | Sep. 30, 2015 a
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 59 | 46 |
Total Acres | a | 54,340 | 23,003 |
% of Total Acres | 100.00% | 100.00% |
Rental Revenue | $ | $ 5,748 | $ 3,680 |
% of Total Rental Revenue | 100.00% | 100.00% |
California |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 22 | 18 |
Total Acres | a | 6,713 | 3,576 | 854
% of Total Acres | 12.40% | 15.50% |
Rental Revenue | $ | $ 2,857 | $ 2,140 |
% of Total Rental Revenue | 49.70% | 58.20% |
Florida |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 16 | 13 |
Total Acres | a | 9,315 | 5,094 |
% of Total Acres | 17.10% | 22.10% |
Rental Revenue | $ | $ 1,531 | $ 743 |
% of Total Rental Revenue | 26.60% | 20.20% |
Colorado |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 9 | 3 |
Total Acres | a | 30,170 | 6,191 |
% of Total Acres | 55.50% | 26.90% |
Rental Revenue | $ | $ 673 | $ 124 |
% of Total Rental Revenue | 11.70% | 3.40% |
Oregon |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 4 | 4 |
Total Acres | a | 2,313 | 2,313 |
% of Total Acres | 4.30% | 10.10% |
Rental Revenue | $ | $ 294 | $ 293 |
% of Total Rental Revenue | 5.10% | 7.90% |
Arizona |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 2 | 2 |
Total Acres | a | 3,000 | 3,000 |
% of Total Acres | 5.50% | 13.10% |
Rental Revenue | $ | $ 186 | $ 173 |
% of Total Rental Revenue | 3.20% | 4.70% |
Nebraska |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 2 | 2 |
Total Acres | a | 2,559 | 2,559 |
% of Total Acres | 4.70% | 11.10% |
Rental Revenue | $ | $ 145 | $ 145 |
% of Total Rental Revenue | 2.60% | 3.90% |
Michigan |  |  |
Real Estate Properties [Line Items] |  |  |
No. of Farms | farm | 4 | 4 |
Total Acres | a | 270 | 270 |
% of Total Acres | 0.50% | 1.20% |
Rental Revenue | $ | $ 62 | $ 62 |
% of Total Rental Revenue | 1.10% | 1.70% |

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