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Real Estate and Intangible Assets - Schedule of Acquisitions (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
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Dec. 24, 2020 USD ($) property | Oct. 01, 2020 | Sep. 03, 2020 USD ($) | Jun. 05, 2020 termination_option | Feb. 25, 2020 USD ($) a | Nov. 01, 2019 USD ($) | Oct. 07, 2019 USD ($) | Aug. 29, 2019 USD ($) | Aug. 28, 2019 USD ($) lease tenant | Aug. 16, 2019 USD ($) | Jul. 22, 2019 USD ($) | Jul. 11, 2019 USD ($) option | Jun. 01, 2017 lease | May 31, 2020 USD ($) | Dec. 31, 2020 USD ($) a farm property option tenant | Dec. 31, 2019 USD ($) a option farm | Apr. 30, 2020 a
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 101,079 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 137 |  |
New Long-term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 627,690,000 |  |
LLC ownership, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 | $ 587,000 |
Partners' capital account, units issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 288,303 |  |
Term preferred stock, fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,290,000 |  |
Number of leases | lease |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |
Number of tenants | tenant |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 81 |  |
Tulare, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160 |  |
Total Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 |  |
Van Buren, MI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 89 |  |
Total Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000 |  |
Monterey, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 304 |  |
Total Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,248,000 |  |
Napa, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 270 |  |
Total Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,548,000 |  |
Withers Road | Napa, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  | 47 |  |  |  |  |  |  |  |  |  |  |  | 38.7
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 335,000 |  |  |
Additional compensation payment |  |  |  |  | $ 40,000 |  |  | $ 4,000,000.0 |  |  |  |  |  | $ 3,200,000 |  |  |
2020 Acquisitions | Driver Road | Kern, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term through first available termination option |  |  |  | 14 years 8 months 12 days |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lease termination options | termination_option |  |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |
2020 Acquisitions | Firestone Avenue | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term through first available termination option |  |  | 8 years 2 months 12 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
2020 Acquisitions | Firestone Avenue | Fresno, CA | Firestone Avenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LLC ownership, percent |  |  | 12.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
LLC ownership, value |  |  | $ 280,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,330 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26 |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 252,722,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,376,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,682,000 |
Professional fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 76,000 |
2019 Acquisitions | Somerset Road | Lincoln, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 695 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years 10 months 24 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 126,000 |
2019 Acquisitions | Greenhills Boulevard | Madera, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 928 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years 7 months 6 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,550,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 141,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,721,000 |
2019 Acquisitions | Van Buren Trail | Van Buren, MI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 159 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years 7 months 6 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,682,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 206,000 |
2019 Acquisitions | Blue Star Highway | Allegran & Van Buren, MI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 357 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years 7 months 6 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,100,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 390,000 |
2019 Acquisitions | Yolo County Line Road | Yolo, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 542 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14 years 7 months 6 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,190,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 624,000 |
2019 Acquisitions | San Juan Grade Road | Monterey, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 324 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  | 4 months |  |  |  | 3 months 18 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,000,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 632,000 |
Lease extension option term |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  | $ 606,000 |  |  |  |  |
2019 Acquisitions | West Citrus Boulevard | Martin, FL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,586 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 years 4 months 24 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 57,790,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 516,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,696,000 |
Partners' capital account, units issued |  |  |  |  |  |  |  |  |  |  | $ 288,303 |  |  |  |  |  |
Term preferred stock, fair value |  |  |  |  |  |  |  |  |  |  | $ 3,300,000 |  |  |  |  |  |
2019 Acquisitions | Sutter Avenue | Fresno, CA | Sutter Avenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LLC ownership, percent |  |  |  |  |  | 13.25% |  |  |  | 11.75% |  |  |  |  |  |  |
LLC ownership, value |  |  |  |  |  | $ 307,000 |  |  |  | $ 280,000 |  |  |  |  |  |  |
2019 Acquisitions | Las Posas Road | Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 413 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  | 3 years 3 months 18 days |  |  |  |  |  |  | 3 years 3 months 18 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21,320,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 111,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,283,000 |
Number of leases | lease |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Number of tenants | tenant |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
2019 Acquisitions | Withers Road | Napa, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  | 47 |  |  |  |  |  |  |  |  |  |  | 366 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years 3 months 18 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32,000,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 84,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,256,000 |
2019 Acquisitions | Highway 17 | Hayes, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,561 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  | 3 months |  |  |  |  |  |  |  |  | 2 months 12 days |
Renewal Term |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,690,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 489,000 |
2019 Acquisitions | Indian Highway | Hayes & Hitchcock, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,289 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  | 4 months |  |  |  |  |  |  |  |  | 3 months 18 days |
Renewal Term |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 36,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 788,000 |
Sale leaseback, fixed rental payment |  |  |  |  |  |  | $ 250,000 |  |  |  |  |  |  |  |  |  |
Sale leaseback agreement term |  |  |  |  |  |  | 4 months |  |  |  |  |  |  |  |  |  |
Lease One | 2019 Acquisitions | Sutter Avenue | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,011 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 years 2 months 12 days |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 33,000,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 146,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,106,000 |
Lease Two | 2019 Acquisitions | Sutter Avenue | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,099 |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 years |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 37,000,000 |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 73,000 |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,365,000 |
Minimum | 2019 Acquisitions | Highway 17 | Hayes, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  | $ 630,000 |  |  |  |  |  |  |  |  |  |
Minimum | 2019 Acquisitions | Indian Highway | Hayes & Hitchcock, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annualized Straight-line Rent |  |  |  |  |  |  | $ 372,000 |  |  |  |  |  |  |  |  |  |
Land and Land Improvements | 2020 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,544 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26 |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 255,991,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,065,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,809,000 |  |
Professional fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000 |  |
Land and Land Improvements | 2020 Acquisitions | County Road 18 | Phillips, CO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,325 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 416,000 |  |
Land and Land Improvements | 2020 Acquisitions | Lamar Valley | Chase, NE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 678 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years 8 months 12 days |  |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 204,000 |  |
Land and Land Improvements | 2020 Acquisitions | Driver Road | Kern, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 590 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years 8 months 12 days |  |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,169,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 52,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 784,000 |  |
Land and Land Improvements | 2020 Acquisitions | Mt. Hermon | Wicomico & Caroline, MD, and Sussex, DE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 939 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,347,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 226,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 432,000 |  |
Land and Land Improvements | 2020 Acquisitions | Firestone Avenue | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,534 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 2 months 12 days |  |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 31,833,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 131,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,734,000 |  |
Land and Land Improvements | 2020 Acquisitions | West Lost Hills Road | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 801 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 1 month 6 days |  |
Renewal Options | option |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 31,827,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 77,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,752,000 |  |
Lease term through first available termination option |  | 3 years 1 month 6 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land and Land Improvements | 2020 Acquisitions | West Lost Hills Road | Fresno, CA | West Lost Hills Road |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LLC ownership, percent |  | 12.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LLC ownership, value |  |  | $ 294,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land and Land Improvements | 2020 Acquisitions | Tractor Road | Bamberg & Orangeburg, SC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 597 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 years 6 months |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,765,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 244,000 |  |
Land and Land Improvements | 2020 Acquisitions | American Ave | Fresno, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 236 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19 years 10 months 24 days |  |
Renewal Options | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,600,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 241,000 |  |
Land and Land Improvements | 2020 Acquisitions | Round Mountain | Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 368 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 7 months 6 days |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,750,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 949,000 |  |
Land and Land Improvements | 2020 Acquisitions | West Sierra | Tulare, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,642 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 years 10 months 24 days |  |
Renewal Options | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 61,500,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 107,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,886,000 |  |
Land and Land Improvements | 2020 Acquisitions | Eight Mile Road | San Joaquin, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,036 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Renewal Options | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 34,300,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 81,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,030,000 |  |
Land and Land Improvements | 2020 Acquisitions | Rock Road | Whatcom, WA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 638 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Renewal Options | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 31,700,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,885,000 |  |
Land and Land Improvements | 2020 Acquisitions | Fountain Springs | Tulare, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160 |  |
No. of Farms | farm |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Lessor, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 years 9 months 18 days |  |
Renewal Options | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Asset Acquisition, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,200,000 |  |
Acquisitions Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |  |
Annualized Straight-line Rent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 252,000 |  |
Land and Land Improvements | 2019 Acquisitions | Las Posas Road | Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Commitment |  |  |  |  |  |  |  |  | $ 1,000,000.0 |  |  |  |  |  |  |  |
Land and Land Improvements | 2019 Acquisitions | Withers Road | Napa, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties acquired | property | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional compensation payment | $ 3,000,000.0 |  |  |  | $ 40,000 |  |  | $ 4,000,000.0 |  |  |  |  |  |  |  |  |
Land and Land Improvements | Maximum | 2019 Acquisitions | San Juan Grade Road | Monterey, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tenant improvement commitments |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |

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