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Business and Organization - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Gladstone Land Limited Partnership |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |
Company's ownership percent of voting securities of Land Advisers | 87.40% | 100.00%
Gladstone Land Advisers, Inc. |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |
Company's ownership percent of voting securities of Land Advisers | 100.00% |
Fees related to leasing of real estate or ancillary services | $ 0 |
Maryland |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |
Company re-incorporated date | Mar. 24, 2011 |
Delaware |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |
Company re-incorporated date | May 25, 2004 |
California |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |
Company originally incorporated date | Jun. 14, 1997 |

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