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Real Estate and Intangible Assets - Purchase Price Allocations (Detail) - USD ($) $ in Thousands | Jun. 30, 2018 | Jun. 30, 2017
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2018 New Real Estate Activity |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 5,045 |
2018 New Real Estate Activity | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 582 |
2018 New Real Estate Activity | Other Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 0 |
2018 New Real Estate Activity | Horticulture |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 961 |
2018 New Real Estate Activity | Leasehold interest – land |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 0 |
2018 New Real Estate Activity | In-place leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 76 |
2018 New Real Estate Activity | Leasing costs |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 47 |
2018 New Real Estate Activity | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | 3,256 |
2018 New Real Estate Activity | Buildings |  |
Business Acquisition [Line Items] |  |
Total Purchase Price | $ 123 |
2017 New Real Estate Activity |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 83,669
2017 New Real Estate Activity | Irrigation & Drainage Systems |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 10,336
2017 New Real Estate Activity | Other Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 455
2017 New Real Estate Activity | Horticulture |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 706
2017 New Real Estate Activity | Leasehold interest – land |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 3,488
2017 New Real Estate Activity | In-place leases |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 254
2017 New Real Estate Activity | Leasing costs |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 468
2017 New Real Estate Activity | Land and Land Improvements |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | 65,839
2017 New Real Estate Activity | Buildings |  |
Business Acquisition [Line Items] |  |
Total Purchase Price |  | $ 2,123

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