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Real Estate and Intangible Assets - 2017 Acquisitions (Detail) $ in Thousands |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended | 14 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 09, 2017 USD ($) | Jun. 01, 2017 lease | Aug. 31, 2017 USD ($) a | Sep. 30, 2018 a farm | Dec. 31, 2018 USD ($) a option farm | Dec. 31, 2017 USD ($) a option farm | Sep. 30, 2018 USD ($) a | Sep. 30, 2017 a lease
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  | 85 | 73 |  |
Total Acres | a |  |  |  |  | 73,205 | 63,014 |  |
New Long-term Debt |  |  |  |  | $ 338,226 |  |  |
Number of leases | lease |  | 2 |  |  |  |  |  |
Payments to develop real estate assets |  |  |  |  | 22,605 | $ 5,211 |  |
Rental Revenue |  |  |  |  | $ 29,322 | $ 25,111 |  |
Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  | 6 | 6 |  |
Total Acres | a |  |  |  |  | 6,280 | 6,280 |  |
New Long-term Debt |  |  |  |  | $ 22,359 |  |  |
Rental Revenue |  |  |  |  | 2,041 | $ 1,572 |  |
Arizona | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  | 2 |  |  |  |
Total Acres | a |  |  |  | 1,368 |  |  | 1,368 |
2017 New Real Estate Activity |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 16 |  |
Total Acres | a |  |  |  |  |  | 12,641 |  |
Total Purchase Price |  |  |  |  |  | $ 128,672 |  |
Acquisition Costs |  |  |  |  |  | 554 |  |
Annualized Straight-line Rent |  |  |  |  |  | 7,108 |  |
New Long-term Debt |  |  |  |  |  | 75,763 |  |
Rental Revenue |  |  |  |  |  | 4,500 |  |
Earnings |  |  |  |  |  | $ 1,100 |  |
2017 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 2 |  |
Total Acres | a |  |  |  |  |  | 1,368 |  |
2017 New Real Estate Activity | Arizona | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of in-place leases assumed | lease |  |  |  |  |  |  |  | 4
Number of in-place agricultural leases assumed | lease |  |  |  |  |  |  |  | 3
2017 New Real Estate Activity | Citrus Boulevard | Martin, FL |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Jan. 12, 2017 |  |
Total Acres | a |  |  |  |  |  | 3,748 |  |
Lease Term |  |  |  |  |  | 7 years |  |
Number of Renewal Options | option |  |  |  |  |  | 3 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 54,000 |  |
Acquisition Costs |  |  |  |  |  | 80 |  |
Annualized Straight-line Rent |  |  |  |  |  | 2,926 |  |
New Long-term Debt |  |  |  |  |  | $ 32,400 |  |
2017 New Real Estate Activity | Spot Road | Yuma, AZ |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 4 |  |
Acquisition Date |  |  |  |  |  | Jun. 01, 2017 |  |
Total Acres | a |  |  |  |  |  | 3,280 |  |
Lease Term |  |  |  |  |  | 8 years 6 months 19 days |  |
Total Purchase Price |  |  |  |  |  | $ 27,500 |  |
Acquisition Costs |  |  |  |  |  | 88 |  |
Annualized Straight-line Rent |  |  |  |  |  | 1,673 |  |
New Long-term Debt |  |  |  |  |  | $ 15,300 |  |
2017 New Real Estate Activity | Spot Road | Yuma, AZ | Lease One |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  |
Term of Renewal |  |  |  |  |  | 10 years |  |
2017 New Real Estate Activity | Spot Road | Yuma, AZ | Lease Two |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  |
Term of Renewal |  |  |  |  |  | 2 years |  |
2017 New Real Estate Activity | Poplar Street | Bladen, NC |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 2 |  |
Acquisition Date |  |  |  |  |  | Jun. 02, 2017 |  |
Total Acres | a |  |  |  |  |  | 310 |  |
Lease Term |  |  |  |  |  | 9 years 6 months 29 days |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 2,169 |  |
Acquisition Costs |  |  |  |  |  | 49 |  |
Annualized Straight-line Rent |  |  |  |  |  | 122 |  |
New Long-term Debt |  |  |  |  |  | $ 1,301 |  |
2017 New Real Estate Activity | Phelps Avenue | Fresno, CA |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 4 |  |
Acquisition Date |  |  |  |  |  | Jul. 17, 2017 |  |
Total Acres | a |  |  |  |  |  | 847 |  |
Lease Term |  |  |  |  |  | 10 years 3 months 15 days |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 13,603 |  |
Acquisition Costs |  |  |  |  |  | 43 |  |
Annualized Straight-line Rent |  |  |  |  |  | 681 |  |
New Long-term Debt |  |  |  |  |  | $ 8,162 |  |
2017 New Real Estate Activity | Parrot Avenue | Okeechobee, FL |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Aug. 09, 2017 |  |
Total Acres | a |  |  | 1,884 |  |  | 1,910 |  |
Lease Term |  |  |  |  |  | 6 months 17 days |  |
Number of Renewal Options | option |  |  |  |  |  | 0 |  |
Total Purchase Price |  |  |  |  |  | $ 9,700 |  |
Acquisition Costs |  |  |  |  |  | 67 |  |
Annualized Straight-line Rent |  |  |  |  |  | 488 |  |
New Long-term Debt |  |  |  |  |  | $ 5,820 |  |
Payments to develop real estate assets |  |  |  |  | $ 2,500 |  | $ 2,500 |
2017 New Real Estate Activity | Parrot Avenue | Okeechobee, FL | Tenant Two |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Lease Term | 6 years |  |  |  |  |  |  |
Number of Renewal Options | option |  |  |  |  | 2 |  |  |
Term of Renewal |  |  |  |  | 6 years |  |  |
Annualized Straight-line Rent | $ 542 |  |  |  |  |  |  |
2017 New Real Estate Activity | Parrot Avenue | Okeechobee, FL | Tenant One |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Lease Term | 7 months |  |  |  |  |  |  |
2017 New Real Estate Activity | Cat Canyon Road | Santa Barbara, CA |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Aug. 30, 2017 |  |
Total Acres | a |  |  | 361 |  |  | 361 |  |
Lease Term |  |  |  |  |  | 9 years 9 months 4 days |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 5,375 |  |
Acquisition Costs |  |  |  |  |  | 112 |  |
Annualized Straight-line Rent |  |  |  |  |  | 322 |  |
New Long-term Debt |  |  |  |  |  | $ 3,225 |  |
Payments to develop real estate assets |  |  | $ 4,000 |  |  |  |  |
2017 New Real Estate Activity | Oasis Road | Walla Walla, WA |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Sep. 08, 2017 |  |
Total Acres | a |  |  |  |  |  | 746 |  |
Lease Term |  |  |  |  |  | 6 years 3 months 7 days |  |
Number of Renewal Options | option |  |  |  |  |  | 0 |  |
Total Purchase Price |  |  |  |  |  | $ 9,500 |  |
Acquisition Costs |  |  |  |  |  | 45 |  |
Annualized Straight-line Rent |  |  |  |  |  | 480 |  |
New Long-term Debt |  |  |  |  |  | $ 5,460 |  |
2017 New Real Estate Activity | JJ Road | Baca, CO |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Oct. 02, 2017 |  |
Total Acres | a |  |  |  |  |  | 1,280 |  |
Lease Term |  |  |  |  |  | 4 years 3 months |  |
Number of Renewal Options | option |  |  |  |  |  | 1 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 900 |  |
Acquisition Costs |  |  |  |  |  | 26 |  |
Annualized Straight-line Rent |  |  |  |  |  | 52 |  |
New Long-term Debt |  |  |  |  |  | $ 540 |  |
2017 New Real Estate Activity | Jayne Avenue | Fresno, CA |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
No. of Farms | farm |  |  |  |  |  | 1 |  |
Acquisition Date |  |  |  |  |  | Dec. 15, 2017 |  |
Total Acres | a |  |  |  |  |  | 159 |  |
Lease Term |  |  |  |  |  | 19 years 10 months 17 days |  |
Number of Renewal Options | option |  |  |  |  |  | 2 |  |
Term of Renewal |  |  |  |  |  | 5 years |  |
Total Purchase Price |  |  |  |  |  | $ 5,925 |  |
Acquisition Costs |  |  |  |  |  | 44 |  |
Annualized Straight-line Rent |  |  |  |  |  | 364 |  |
New Long-term Debt |  |  |  |  |  | $ 3,555 |  |
February 2022 | 2017 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  | 485 |  |
February 2025 | 2017 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Total Acres | a |  |  |  |  |  |  |  | 883
June 2019 | 2017 New Real Estate Activity | Arizona | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of in-place agricultural leases assumed | lease |  |  |  |  |  |  |  | 1
September 2026 | 2017 New Real Estate Activity | Arizona | State of Arizona |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |
Number of in-place agricultural leases assumed | lease |  |  |  |  |  |  |  | 2

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