Annual report pursuant to Section 13 and 15(d)

Business and Organization - Additional Information (Detail)

v3.10.0.1
Business and Organization - Additional Information (Detail)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Gladstone Land Limited Partnership    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Company's ownership percent (as percent) 96.90% 93.20%
Land Advisers    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Company's ownership percent (as percent) 100.00%  
Maryland    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Company re-incorporated date Mar. 24, 2011  
California    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Company originally incorporated date Jun. 14, 1997