Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.20.2
Subsequent Events - Additional Information (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2020
USD ($)
Aug. 05, 2020
USD ($)
$ / shares
shares
Jul. 31, 2020
USD ($)
tenant
Jun. 30, 2020
USD ($)
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2020
USD ($)
tenant
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Subsequent Event [Line Items]              
Number of tenants | tenant           72  
Subsequent Event              
Subsequent Event [Line Items]              
Number of tenants | tenant     2        
Subsequent Event | Group One              
Subsequent Event [Line Items]              
Number of tenants | tenant     2        
Subsequent Event | Group Two              
Subsequent Event [Line Items]              
Number of tenants | tenant     1        
Subsequent Event | Maximum              
Subsequent Event [Line Items]              
Rent obligations deferred, extension term (in days)     123 days        
Subsequent Event | Maximum | Group One              
Subsequent Event [Line Items]              
Rent obligations deferred, extension term (in days) 123 days            
Series B Preferred Stock              
Subsequent Event [Line Items]              
Cash redemption paid | $       $ 124 $ 153 $ 309 $ 166
Preferred Stock | Series B Preferred Stock              
Subsequent Event [Line Items]              
Number of shares redeemed (in shares) | shares       5,165 6,800 12,918 7,400
Weighted-average redemption price per share | $ / shares       $ 23.86 $ 22.50 $ 23.89 $ 22.50
Cash redemption paid | $       $ 123 $ 153 $ 309 $ 166
Preferred Stock | Series B Preferred Stock | Subsequent Event              
Subsequent Event [Line Items]              
Number of shares redeemed (in shares) | shares   1,297          
Weighted-average redemption price per share | $ / shares   $ 22.50          
Cash redemption paid | $   $ 29          
Collectibility of Annual Rent | Subsequent Event              
Subsequent Event [Line Items]              
Annual rental payments | $ $ 343   $ 343        
Collectibility of Annual Rent | Subsequent Event | Group One              
Subsequent Event [Line Items]              
Annual rental payments | $ 343   343        
Collectibility of Annual Rent | Subsequent Event | Group Two              
Subsequent Event [Line Items]              
Annual rental payments | $ $ 53   $ 53        
Gladstone Land Limited Partnership | Limited Partner              
Subsequent Event [Line Items]              
OP Units tendered for redemption (in shares) | shares       144,152 0 144,152 570,879
Shares of common stock issued (in shares) | shares       144,152 0 144,152 570,879
Gladstone Land Limited Partnership | Limited Partner | Subsequent Event              
Subsequent Event [Line Items]              
OP Units tendered for redemption (in shares) | shares   144,151          
Shares of common stock issued (in shares) | shares   144,151