Annual report pursuant to Section 13 and 15(d)

Equity - Additional Information (Details)

v3.24.0.1
Equity - Additional Information (Details)
 1 Months Ended 9 Months Ended 12 Months Ended 36 Months Ended 45 Months Ended
Nov. 09, 2022
$ / shares
shares
Jan. 13, 2021
shares
Apr. 03, 2020
$ / shares
shares
Apr. 01, 2020
USD ($)
security
Jan. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Apr. 13, 2023
USD ($)
Aug. 24, 2022
shares
May 12, 2020
USD ($)
Class of Stock [Line Items]                            
Common stock, shares authorized (in shares) 16,000,000 3,600,000       48,043,098 48,043,098 47,992,588   47,992,588 48,043,098      
Common stock, shares issued (in shares)           35,838,442 35,838,442 35,050,397   35,050,397 35,838,442      
Write-off of unamortized deferred offering costs associated with cumulative redeemable preferred stock (Series C) | $             $ 0 $ 798,000 $ 0          
Common stock, conversion ratio           1 1       1      
Term preferred stock, fair value | $               $ 7,700,000 $ 4,000,000 $ 7,700,000        
Weighted-average issuance price (in dollars per share) | $ / shares               $ 37.45 $ 19.42          
Gladstone Land Limited Partnership                            
Class of Stock [Line Items]                            
Operating partnership units held outside (in shares)             0 0 204,778          
Operating partnership units redeemed (in shares)               204,778            
OP Unit Holder                            
Class of Stock [Line Items]                            
Company's ownership percent           100.00% 100.00% 100.00% 99.40% 100.00% 100.00%      
Registration Statement                            
Class of Stock [Line Items]                            
Value of securities allowed for issuance | $       $ 1,000,000,000               $ 1,500,000,000    
Maximum number of securities that can be sold (in securities) | security       2                    
Preferred Stock | Registration Statement                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           124,460 124,460       124,460      
Common Stock | Registration Statement                            
Class of Stock [Line Items]                            
Proceeds from issuance of preferred and common equity | $           $ 2,200,000         $ 280,900,000      
Common stock, shares issued (in shares)           14,367,524 14,367,524       14,367,524      
Series D Preferred Stock                            
Class of Stock [Line Items]                            
Preferred stock, dividend rate         5.00%                  
Stock authorized and unissued (in shares) 1,185,000                          
Preferred stock, shares issued (in shares)         2,415,000 2,415,000 2,415,000 2,415,000   2,415,000 2,415,000      
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.001 $ 0.001 $ 0.001 $ 0.001   $ 0.001 $ 0.001      
Preferred stock, shares authorized (in shares)           3,600,000 3,600,000 3,600,000   3,600,000 3,600,000      
Series D Preferred Stock | Preferred Stock                            
Class of Stock [Line Items]                            
Preferred stock, dividend rate   5.00%                        
Proceeds from issuance of preferred and common equity | $         $ 58,300,000                  
Series D Preferred Stock | Preferred Stock | Registration Statement                            
Class of Stock [Line Items]                            
Proceeds from issuance of preferred and common equity | $                     $ 60,400,000      
Series D Preferred Stock | Common Stock | Registration Statement                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           2,415,000 2,415,000       2,415,000      
Series C Preferred Stock                            
Class of Stock [Line Items]                            
Stock authorized and unissued (in shares) 15,551,347                          
Preferred stock, shares issued (in shares)           10,156,509 10,156,509 10,191,353   10,191,353 10,156,509      
Preferred stock, par value (in dollars per share) | $ / shares           $ 0.001 $ 0.001 $ 0.001   $ 0.001 $ 0.001      
Preferred stock, shares authorized (in shares)           25,902,437 25,902,437 25,951,347   25,951,347 25,902,437      
Redemption of preferred stock | $             $ 1,156,000 $ 901,000 $ 248,000          
Series C Preferred Stock | Registration Statement                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           10,254,072 10,254,072       10,254,072      
Series C Preferred Stock | Preferred Stock                            
Class of Stock [Line Items]                            
Preferred stock, dividend rate     6.00%                      
Maximum amount authorized in Primary Offering (in shares)     26,000,000                      
Preferred stock, par value (in dollars per share) | $ / shares     $ 0.001                      
Preferred stock, shares authorized (in shares)     20,000,000         10,200,000   10,200,000     10,200,000  
Average sales price of common stock sold (in dollars per share) | $ / shares     $ 25.00                      
Preferred stock, shares authorized, pursuant to DRIP (in shares)     6,000,000                   200,000  
Sale of stock pursuant to DRIP (in dollars per share) | $ / shares     $ 22.75                      
Write-off of unamortized deferred offering costs associated with cumulative redeemable preferred stock (Series C) | $               $ 798,000            
Gross proceeds | $               $ 165,941,000 $ 59,720,000 $ 252,600,000        
Consideration received, net | $                   $ 230,500,000        
Redemptions of Series B Preferred Stock (in shares)             48,913 38,595 9,920          
Redemption of preferred stock | $             $ 1,200,000 $ 901,000 $ 248,000          
Series C Preferred Stock | Common Stock | Registration Statement                            
Class of Stock [Line Items]                            
Proceeds from issuance of preferred and common equity | $                     $ 253,900,000      
Series E Preferred Stock                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           235,841 235,841 16,000,000   16,000,000 235,841      
Preferred stock, par value (in dollars per share) | $ / shares           $ 0.001 $ 0.001 $ 0.001   $ 0.001 $ 0.001      
Preferred stock, shares authorized (in shares)           15,998,400 15,998,400 16,000,000   16,000,000 15,998,400      
Redemption of preferred stock | $             $ 36,000              
Series E Preferred Stock | Registration Statement                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           159,600 159,600       159,600      
Series E Preferred Stock | Preferred Stock                            
Class of Stock [Line Items]                            
Preferred stock, dividend rate 5.00%                          
Maximum amount authorized in Primary Offering (in shares) 8,000,000                          
Preferred stock, par value (in dollars per share) | $ / shares $ 0.001                          
Preferred stock, shares authorized (in shares) 8,000,000                          
Average sales price of common stock sold (in dollars per share) | $ / shares $ 25.00                          
Gross proceeds | $             $ 5,925,000              
Redemptions of Series B Preferred Stock (in shares)             1,600              
Redemption of preferred stock | $             $ 36,000              
Series E Preferred Stock | Preferred Stock | Registration Statement                            
Class of Stock [Line Items]                            
Preferred stock, shares issued (in shares)           77,841 77,841       77,841      
Proceeds from issuance of preferred and common equity | $           $ 4,000,000 $ 1,900,000              
Common Stock | ATM Program                            
Class of Stock [Line Items]                            
Gross proceeds | $             $ 15,240,000 $ 22,242,000 $ 173,428,000          
Common stock, value authorized | $                       $ 500,000,000   $ 260,000,000