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Real Estate and Intangible Assets - Purchase Price Allocations (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
2019 Acquisitions |  |
Business Acquisition [Line Items] |  |
Purchase Price | $ 201,032 |
2019 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Purchase Price | 17,804 |
2019 Acquisitions | Horticulture |  |
Business Acquisition [Line Items] |  |
Purchase Price | 41,739 |
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 | Below Market Leases |  |
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 | 138,245 |
2019 Acquisitions | Farm- related Facilities |  |
Business Acquisition [Line Items] |  |
Purchase Price | $ 2,014 |
2018 Acquisitions |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | $ 51,845
2018 Acquisitions | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 1,548
2018 Acquisitions | Horticulture |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 4,288
2018 Acquisitions | Other Site Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 0
2018 Acquisitions | In- place Leases |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 626
2018 Acquisitions | Leasing Costs |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 511
2018 Acquisitions | Below Market Leases |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 0
2018 Acquisitions | Investment in LLC |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 0
2018 Acquisitions | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | 44,749
2018 Acquisitions | Farm- related Facilities |  |
Business Acquisition [Line Items] |  |
Purchase Price |  | $ 123

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