Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2020
Aug. 04, 2020
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2020  
Document Transition Report false  
Entity File Number 001-35795  
Entity Central Index Key 0001495240  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Registrant Name GLADSTONE LAND CORP  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 54-1892552  
Entity Address, Address Line One 1521 Westbranch drive,  
Entity Address, Address Line Two Suite 100  
Entity Address, City or Town McLean,  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 22102  
City Area Code 703  
Local Phone Number 287-5800  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   22,022,815
Common Stock    
Entity Information [Line Items]    
Title of 12(b) Security Common stock, $0.001 par value per share  
Trading Symbol LAND  
Security Exchange Name NASDAQ  
Series A Preferred Stock    
Entity Information [Line Items]    
Title of 12(b) Security 6.375% Series A Cumulative Term Preferred Stock, $0.001 par value per share  
Trading Symbol LANDP  
Security Exchange Name NASDAQ