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Real Estate and Intangible Assets - Schedule of Acquisitions (Details) |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 28, 2019 USD ($) lease tenant | Aug. 16, 2019 USD ($) | Jul. 22, 2019 USD ($) | Jul. 11, 2019 USD ($) | Jun. 01, 2017 lease | Sep. 30, 2019 USD ($) a option | Sep. 30, 2018 USD ($) a option | Sep. 30, 2019 USD ($) a farm option tenant | Sep. 30, 2018 USD ($) a farm option | Feb. 20, 2020 USD ($) a | Aug. 29, 2019 USD ($) | Jul. 12, 2018 USD ($)
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 81,586 | 67,826 | 81,586 | 67,826 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 97 | 82 |  |  |
New Long-term Debt |  |  |  |  |  | $ 454,939,000 |  | $ 454,939,000 |  |  |  |
Number of Leases | lease |  |  |  |  | 2 |  |  |  |  |  |  |
Number of tenants | tenant |  |  |  |  |  |  |  | 70 |  |  |  |
Madera, CA |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 928 |  | 928 |  |  |  |
Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 413 |  | 413 |  |  |  |
Collier & Hendry, FL |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 5,630 |  | 5,630 |  |  |  |
2019 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 8,381 |  | 8,381 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 12 |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 201,032,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 1,142,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 13,040,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 120,399,000 |  | 120,399,000 |  |  |  |
Revenue of acquiree since acquisition date |  |  |  |  |  | 2,200,000 |  | 3,000,000 |  |  |  |
Net income (loss) of acquiree since acquisition date |  |  |  |  |  | $ 574,000 |  | $ 793,000 |  |  |  |
2019 Acquisitions | Lincoln, NE | Somerset Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 695 |  | 695 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 4 years 11 months 9 days |  | 4 years 11 months 9 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  | 1 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 2,400,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 28,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 126,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 1,440,000 |  | 1,440,000 |  |  |  |
External legal fees expensed |  |  |  |  |  |  |  | $ 63,000 |  |  |  |
2019 Acquisitions | Madera, CA | Greenhills Boulevard |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 928 |  | 928 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 10 years 7 months 22 days |  | 10 years 7 months 22 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 28,550,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 143,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 1,721,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 17,130,000 |  | $ 17,130,000 |  |  |  |
2019 Acquisitions | Van Buren, MI | Van Buren Trail |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 159 |  | 159 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 10 years 6 months 22 days |  | 10 years 6 months 22 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 2,682,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 28,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 206,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 1,609,000 |  | $ 1,609,000 |  |  |  |
2019 Acquisitions | Allegran & Van Buren, MI | Blue Star Highway |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 357 |  | 357 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 10 years 6 months 22 days |  | 10 years 6 months 22 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 5,100,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 31,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 390,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 3,060,000 |  | $ 3,060,000 |  |  |  |
2019 Acquisitions | Yolo, CA | Yolo Country Line Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 542 |  | 542 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 14 years 7 months 6 days |  | 14 years 7 months 6 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  | 1 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 9,190,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 66,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 624,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 5,514,000 |  | $ 5,514,000 |  |  |  |
2019 Acquisitions | Monterey, CA | San Juan Grade Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 324 |  | 324 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 4 months 5 days |  | 4 months 5 days |  |  |  |
Term of Renewal |  |  |  | 6 years |  |  |  |  |  |  |  |
Lessor, Operating Lease, Term of Contract, Extension |  |  |  | 4 years |  |  |  |  |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 9,000,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 60,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 632,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 5,400,000 |  | $ 5,400,000 |  |  |  |
2019 Acquisitions | Martin, FL | West Citrus Boulevard |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 3,586 |  | 3,586 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 8 years 4 months 10 days |  | 8 years 4 months 10 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 10 years |  | 10 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 57,790,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 503,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 3,696,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 37,700,000 |  | $ 37,700,000 |  |  |  |
Partners' Capital Account, Units Issued |  |  | $ 288,303 |  |  |  |  |  |  |  |  |
Fair value of preferred stock |  |  |  | $ 3,300,000 |  |  |  |  |  |  |  |
2019 Acquisitions | Fresno, CA | Sutter Avenue |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 1,011 |  | 1,011 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 8 years 2 months 16 days |  | 8 years 2 months 16 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 5 years |  | 5 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 33,000,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 139,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 2,106,000 |  |  |  |
LLC ownership, percent |  | 11.75% |  |  |  |  |  |  |  |  |  |
LLC ownership, value |  | $ 280,000 |  |  |  |  |  |  |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 16,500,000 |  | $ 16,500,000 |  |  |  |
2019 Acquisitions | Ventura, CA | Las Posas Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 413 |  | 413 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 3 |  |  |  |
Lease Term |  |  |  |  |  | 3 years 3 months 3 days |  | 3 years 3 months 3 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  | 1 |  |  |  |
Term of Renewal |  |  |  |  |  | 2 years |  | 2 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 21,320,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 67,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 1,283,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 12,792,000 |  | $ 12,792,000 |  |  |  |
2019 Acquisitions | Napa, CA | Withers Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 366 |  | 366 |  |  |  |
No. of Farms | farm |  |  |  |  |  |  |  | 1 |  |  |  |
Lease Term |  |  |  |  |  | 10 years 4 months 2 days |  | 10 years 4 months 2 days |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  | 2 |  |  |  |
Term of Renewal |  |  |  |  |  | 10 years |  | 10 years |  |  |  |
Total Purchase Price |  |  |  |  |  |  |  | $ 32,000,000 |  |  |  |
Acquisition Costs |  |  |  |  |  |  |  | 77,000 |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  | 2,256,000 |  |  |  |
New Long-term Debt |  |  |  |  |  | $ 19,254,000 |  | $ 19,254,000 |  |  |  |
2018 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 6,735 |  | 6,735 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 10 |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 51,845,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 360,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 2,963,000 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 30,813,000 |  | 30,813,000 |  |  |
Revenue of acquiree since acquisition date |  |  |  |  |  |  | 554,000 |  | 603,000 |  |  |
Net income (loss) of acquiree since acquisition date |  |  |  |  |  |  | $ 168,000 |  | $ 140,000 |  |  |
2018 Acquisitions | Van Buren, MI | Cemetery Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 176 |  | 176 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 1 |  |  |
Lease Term |  |  |  |  |  |  | 9 years 7 months 6 days |  | 9 years 7 months 6 days |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 2,100,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 39,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 150,000 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 1,260,000 |  | $ 1,260,000 |  |  |
2018 Acquisitions | Kern, CA | Taft Highway |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 161 |  | 161 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 1 |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 2,945,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 32,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 0 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 1,473,000 |  | $ 1,473,000 |  |  |
2018 Acquisitions | Collier & Hendry, FL | Owl Hammock |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 5,630 |  | 5,630 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 5 |  |  |
Lease Term |  |  |  |  |  |  | 6 years 11 months 19 days |  | 6 years 11 months 19 days |  |  |
Number of Renewal Options | option |  |  |  |  |  |  | 2 |  | 2 |  |  |
Term of Renewal |  |  |  |  |  |  | 5 years |  | 5 years |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 37,350,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 196,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 2,148,000 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 22,410,000 |  | $ 22,410,000 |  |  |
2018 Acquisitions | Collier & Hendry, FL | Owl Hammock | Land and Land Improvements |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Tenant improvement commitments |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000
2018 Acquisitions | Jackson, FL | Plantation Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 574 |  | 574 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 1 |  |  |
Lease Term |  |  |  |  |  |  | 2 years 3 months 25 days |  | 2 years 3 months 25 days |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 2,600,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 35,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 142,000 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 1,560,000 |  | $ 1,560,000 |  |  |
2018 Acquisitions | Kings, CA | Flint Avenue |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  | 194 |  | 194 |  |  |
No. of Farms | farm |  |  |  |  |  |  |  |  | 2 |  |  |
Lease Term |  |  |  |  |  |  | 15 years 3 months 18 days |  | 15 years 3 months 18 days |  |  |
Number of Renewal Options | option |  |  |  |  |  |  | 1 |  | 1 |  |  |
Term of Renewal |  |  |  |  |  |  | 5 years |  | 5 years |  |  |
Total Purchase Price |  |  |  |  |  |  |  |  | $ 6,850,000 |  |  |
Acquisition Costs |  |  |  |  |  |  |  |  | 58,000 |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  | 523,000 |  |  |
New Long-term Debt |  |  |  |  |  |  | $ 4,110,000 |  | $ 4,110,000 |  |  |
Minimum | 2019 Acquisitions | Monterey, CA | San Juan Grade Road |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Annualized Straight-line Rent |  |  |  | 606,000 |  |  |  |  |  |  |  |
Maximum | 2019 Acquisitions | Monterey, CA | San Juan Grade Road | Land and Land Improvements |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Tenant improvement commitments |  |  |  | $ 100,000 |  |  |  |  |  |  |  |
Maximum | 2019 Acquisitions | Ventura, CA | Las Posas Road | Land and Land Improvements |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Lease Term | 3 years 3 months 18 days |  |  |  |  |  |  |  |  |  |  |
Tenant improvement commitments | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |
Number of Leases | lease | 2 |  |  |  |  |  |  |  |  |  |  |
Number of tenants | tenant | 2 |  |  |  |  |  |  |  |  |  |  |
Maximum | 2019 Acquisitions | Napa, CA | Withers Road | Land and Land Improvements |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Tenant improvement commitments |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 |
Maximum | 2019 Acquisitions | Napa, CA | Withers Road | Land and Land Improvements | Forecast |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  | 47 |  |
Tenant improvement commitments |  |  |  |  |  |  |  |  |  | $ 40,000 |  |

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