Annual report pursuant to Section 13 and 15(d)

Business and Organization - Additional Information (Detail)

v3.6.0.2
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