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Borrowings - Summary of Mortgage Note Payable and Line of Credit (Detail) |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2016 USD ($) | Apr. 04, 2016 USD ($) | Mar. 31, 2016 | Aug. 22, 2016 USD ($) | Dec. 31, 2016 USD ($) property | Jun. 16, 2016 USD ($) | Dec. 05, 2014 USD ($)
New MetLife Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal Outstanding |  |  |  |  | $ 124,039,466 |  |
Commitment fee on undrawn amount (as percent) |  |  |  |  | 0.20% |  |
Additional amount available to be drawn |  |  |  |  | $ 22,300,000 |  |
Minimum annualized rate (as percent) |  |  |  |  | 2.50% |  |
New MetLife Credit Facility | Term Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Commitment |  |  |  |  | $ 150,000,000 |  |
Principal Outstanding |  |  |  |  | $ 107,489,466 |  |
Weighted-average interest rate (as percent) |  |  |  |  | 3.16% |  |
Term of debt |  |  |  |  | 10 years |  |
Undrawn Commitment |  |  |  |  | $ 40,979,806 |  |
New MetLife Credit Facility | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Commitment |  |  |  |  | 50,000,000 |  |
Principal Outstanding |  |  |  |  | 16,550,000 |  |
Undrawn Commitment |  |  |  |  | $ 33,450,000 |  |
Interest rate (as percent) |  |  |  |  | 3.11% |  |
New MetLife Credit Facility | Line of Credit | LIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread (as percent) |  |  |  |  | 2.25% |  |
Farm Credit Central Florida Notes Payable |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Commitment | $ 3,120,000 |  |  |  |  |  |
Principal Outstanding |  |  |  |  | $ 22,309,645 |  |
Weighted-average interest rate (as percent) |  |  |  |  | 3.48% |  |
Term of debt | 36 years |  |  |  |  |  |
Interest rate (as percent) | 3.78% |  |  |  |  |  |
Reduction in interest rate (as percent) |  |  | 16.10% |  |  |  |
Farm Credit West Note Payable |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Commitment |  | $ 9,282,000 |  |  |  |  |
Principal Outstanding |  |  |  |  | $ 13,061,418 |  |
Weighted-average interest rate (as percent) |  | 3.54% |  |  | 3.66% |  |
Term of debt |  | 24 years 6 months |  |  |  |  |
Farmer Mac Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate Commitment |  |  |  | $ 16,551,000 | $ 125,000,000 | $ 125,000,000 | $ 75,000,000
Principal Outstanding |  |  |  |  | $ 49,348,500 |  |
Weighted-average interest rate (as percent) |  |  |  |  | 2.94% |  |
Undrawn Commitment |  |  |  |  | $ 74,743,000 |  |
Additional amount available to be drawn |  |  |  |  | $ 0 |  |
Additional properties pledged as collateral | property |  |  |  |  | 0 |  |
Farmer Mac Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Term of debt |  |  |  | 0 years |  |  |
Interest rate (as percent) |  |  |  | 2.87% |  |  |
Farmer Mac Facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Term of debt |  |  |  | 9 years 8 months 12 days |  |  |
Interest rate (as percent) |  |  |  | 3.08% |  |  |

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