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Real Estate and Intangible Assets - Purchase Price Allocations (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
2020 Acquisitions |  |
Business Acquisition [Line Items] |  |
Purchase Price | $ 64,348 |
2020 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Purchase Price | 7,250 |
2020 Acquisitions | Horticulture |  |
Business Acquisition [Line Items] |  |
Purchase Price | 12,245 |
2020 Acquisitions | Other Site Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price | 0 |
2020 Acquisitions | In-Place Leases |  |
Business Acquisition [Line Items] |  |
Purchase Price | 101 |
2020 Acquisitions | Leasing Costs |  |
Business Acquisition [Line Items] |  |
Purchase Price | 133 |
2020 Acquisitions | Above-market Lease Values |  |
Business Acquisition [Line Items] |  |
Purchase Price | 54 |
2020 Acquisitions | Below-market Lease Values |  |
Business Acquisition [Line Items] |  |
Purchase Price | (58) |
2020 Acquisitions | Investment in LLC |  |
Business Acquisition [Line Items] |  |
Purchase Price | 280 |
2020 Acquisitions | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price | 44,154 |
2020 Acquisitions | Farm-related Facilities |  |
Business Acquisition [Line Items] |  |
Purchase Price | $ 189 |
2019 Acquisitions |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | $ 201,032
2019 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 17,789
2019 Acquisitions | Horticulture |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 41,746
2019 Acquisitions | Other Site Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 358
2019 Acquisitions | In-Place Leases |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 560
2019 Acquisitions | Leasing Costs |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 118
2019 Acquisitions | Above-market Lease Values |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 0
2019 Acquisitions | Below-market Lease Values |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | (85)
2019 Acquisitions | Investment in LLC |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 280
2019 Acquisitions | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 138,253
2019 Acquisitions | Farm-related Facilities |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | $ 2,013

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