Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Redemption of OP Units (Details)

v3.8.0.1
Subsequent Events - Redemption of OP Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 17, 2018
Jan. 16, 2018
Dec. 28, 2017
Dec. 27, 2017
Dec. 01, 2017
Nov. 28, 2017
Oct. 06, 2017
Sep. 29, 2017
Sep. 20, 2017
Dec. 31, 2017
Subsequent Event [Line Items]                    
Partners' capital account, units, redeemed (in USD per share)     $ 13.35         $ 13.21    
Subsequent Event                    
Subsequent Event [Line Items]                    
Partners' capital account, units, redeemed (in USD per share) $ 13.42                  
Limited Partner                    
Subsequent Event [Line Items]                    
Stock issued during period, shares, conversion of units         75,000     50,000   246,875
Limited Partner | Subsequent Event                    
Subsequent Event [Line Items]                    
Stock issued during period, shares, conversion of units 7,700                  
Limited Partner | Gladstone Land Limited Partnership                    
Subsequent Event [Line Items]                    
Partners' capital account, units, redeemed       22,403   75,000 121,875   221,875  
Partners' capital account, units, converted               50,000    
Partners' capital account, units, redeemed for cash               171,875    
Partners' capital account, redemptions     $ 299         $ 2,300    
Limited Partner | Gladstone Land Limited Partnership | Subsequent Event                    
Subsequent Event [Line Items]                    
Partners' capital account, units, redeemed   37,500                
Partners' capital account, units, converted 7,700                  
Partners' capital account, units, redeemed for cash 29,800                  
Partners' capital account, redemptions $ 400