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Real Estate and Intangible Assets - Purchase Price Allocations (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
2020 Acquisitions |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 255,991 |
2020 Acquisitions | Permanent plantings |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 93,751 |
2020 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 26,837 |
2020 Acquisitions | Other Site Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 2,699 |
2020 Acquisitions | In-Place Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 395 |
2020 Acquisitions | Leasing Costs |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 250 |
2020 Acquisitions | Above-market Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 54 |
2020 Acquisitions | Below-market Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | (58) |
2020 Acquisitions | Investment in LLLC |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 573 |
2020 Acquisitions | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 124,870 |
2020 Acquisitions | Farm-related Facilities |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 6,620 |
2019 Acquisitions |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 252,722
2019 Acquisitions | Permanent plantings |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 58,240
2019 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 26,184
2019 Acquisitions | Other Site Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 358
2019 Acquisitions | In-Place Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 560
2019 Acquisitions | Leasing Costs |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 117
2019 Acquisitions | Above-market Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 0
2019 Acquisitions | Below-market Leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | (85)
2019 Acquisitions | Investment in LLLC |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 587
2019 Acquisitions | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 164,681
2019 Acquisitions | Farm-related Facilities |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 2,080

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