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Commitments and Contingencies - Additional Information (Detail) $ in Thousands | 3 Months Ended | 165 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) a well | Mar. 31, 2017 USD ($) a | Mar. 31, 2016 USD ($) a | Jan. 09, 2031 USD ($) | Sep. 30, 2015 a
Loss Contingencies [Line Items] |  |  |  |  |
Area of real estate property (in acres) | a |  | 54,340 | 23,003 |  |
Estimated cost |  | $ 468 | $ 1,866 |  |
Rental revenue |  | $ 5,748 | $ 3,680 |  |
California |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Area of real estate property (in acres) | a |  | 6,713 | 3,576 |  | 854
Expended or accrued for capital improvements |  | $ 8,200 |  |  |
Rental revenue |  | $ 2,857 | $ 2,140 |  |
California | Forecast |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Removal area of old grape vineyards (in acres) | a | 274 |  |  |  |
Number of new drilling wells | well | 3 |  |  |  |
Area of new almond trees (amount over) (in acres) | a | 800 |  |  |  |
Estimated cost | $ 8,300 |  |  |  |
Rental revenue |  |  |  | $ 5,100 |

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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
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