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EQUITY - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended | 21 Months Ended | 36 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 17, 2024 USD ($) $ / shares | Nov. 09, 2022 $ / shares shares | Apr. 01, 2020 security | Jan. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Apr. 13, 2023 USD ($) | Apr. 03, 2020 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  | 16,000,000 |  |  | 48,359,920 | 48,043,098 |  | 48,359,920 |  |  |
Term preferred stock, fair value | $ |  |  |  |  |  |  | $ 7,700 |  | $ 7,700 |  |
Weighted-average issuance price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 37.45 |  |  |  |
Gladstone Land Limited Partnership |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating partnership units held outside (in shares) |  |  |  |  | 0 | 0 | 0 |  |  |  |
Operating partnership units redeemed (in shares) |  |  |  |  |  |  | 204,778 |  |  |  |
OP Unit Holder |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Company's ownership |  |  |  |  | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |  |
Minimum period required to exercise, in months |  |  |  |  | 12 months |  |  |  |  |  |
Operating units, conversion ratio |  |  |  |  | 1 |  |  |  |  |  |
2020 Registration Statement |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Securities allowed for issuance (amount up to) | $ |  |  |  |  |  |  |  |  |  | $ 1,500,000 |
Maximum number of securities that can be sold | security |  |  | 2 |  |  |  |  |  |  |  |
Preferred Stock | 2020 Registration Statement |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  | 470,676 |  |  | 470,676 |  |  |
Common Stock | 2020 Registration Statement |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred and common equity | $ |  |  |  |  |  |  |  | $ 6,800 |  |  |
Series C Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock authorized and unissued (in shares) |  | 15,551,347 |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  | 9,954,863 | 10,156,509 |  | 9,954,863 |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  | 25,700,791 | 25,902,437 |  | 25,700,791 |  |  |
Redemption of preferred stock | $ |  |  |  |  | $ 4,202 | $ 1,156 | $ 901 |  |  |  |
Share repurchase program, authorized amount | $ | $ 35,000 |  |  |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  | $ 0.001 | $ 0.001 |  | $ 0.001 |  |  |
Series C Preferred Stock | Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  | 10,200,000 |  | 10,200,000 |  | 10,200,000
Average sales price of common stock sold (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 24.76 |  | $ 24.76 |  | $ 25.00
Preferred stock, shares authorized, pursuant to DRIP (in shares) |  |  |  |  |  |  |  |  |  |  | 200,000
Sale of stock pursuant to DRIP (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 22.75
Gross proceeds | $ |  |  |  |  |  |  | $ 165,900 |  |  |  |
Net proceeds | $ |  |  |  |  |  |  | $ 152,500 |  |  |  |
Number of shares sold (in shares) |  |  |  |  |  |  | 6,701,987 |  |  |  |
Preferred stock, shares issued, pursuant to DRIP (in shares) |  |  |  |  |  | 14,069 | 34,628 |  |  |  |
Redemptions of preferred stock (in shares) |  |  |  |  | 201,646 | 48,913 | 38,595 |  |  |  |
Redemption of preferred stock | $ |  |  |  |  |  | $ 1,200 | $ 901 |  |  |  |
Series C Preferred Stock | Preferred Stock | Primary Series C Offering |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross proceeds | $ |  |  |  |  |  |  | 252,600 |  |  |  |
Net proceeds | $ |  |  |  |  |  |  |  |  | $ 230,500 |  |
Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock authorized and unissued (in shares) |  | 1,185,000 |  |  |  |  |  |  |  |  |
Dividend rate |  |  |  | 5.00% |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  | 2,415,000 | 2,415,000 | 2,415,000 |  | 2,415,000 |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  | 3,600,000 | 3,600,000 |  | 3,600,000 |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.001 | $ 0.001 | $ 0.001 |  | $ 0.001 |  |  |
Series D Preferred Stock | Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred and common equity | $ |  |  |  | $ 58,300 |  |  |  |  |  |  |
Series E Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  | 252,436 | 235,841 |  | 252,436 |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  | 15,998,400 | 15,998,400 |  | 15,998,400 |  |  |
Redemption of preferred stock | $ |  |  |  |  |  | $ 36 |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  | $ 0.001 | $ 0.001 |  | $ 0.001 |  |  |
Series E Preferred Stock | 2020 Registration Statement |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  | 176,195 |  |  | 176,195 |  |  |
Series E Preferred Stock | Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend rate |  | 5.00% |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred and common equity | $ |  |  |  |  | $ 414 | $ 5,925 |  |  |  |  |
Preferred stock, shares authorized (in shares) |  | 8,000,000 |  |  |  |  |  |  |  |  |
Average sales price of common stock sold (in dollars per share) | $ / shares |  | $ 25.00 |  |  |  |  |  |  |  |  |
Net proceeds | $ |  |  |  |  | $ 373 | $ 5,342 |  |  |  |  |
Number of shares sold (in shares) |  |  |  |  | 16,595 | 237,441 |  |  |  |  |
Redemptions of preferred stock (in shares) |  |  |  |  | 0 | 1,600 |  |  |  |  |
Redemption of preferred stock | $ |  |  |  |  |  | $ 36 |  |  |  |  |
Maximum amount of securities can be sold under shelf registration statement (in shares) |  | 8,000,000 |  |  |  |  |  |  |  |  |
Series E Preferred Stock | Preferred Stock | 2020 Registration Statement |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred and common equity | $ |  |  |  |  |  |  |  | $ 4,400 |  |  |
Common Stock | ATM Program |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred and common equity | $ |  |  |  |  | $ 4,680 | 15,240 | 22,242 |  |  |  |
Net proceeds | $ |  |  |  |  | $ 4,633 | $ 15,087 | $ 21,993 |  |  |  |
Number of shares sold (in shares) |  |  |  |  | 346,216 | 788,045 | 840,384 |  |  |  |
Common stock, value authorized | $ |  |  |  |  |  |  |  |  |  | $ 500,000 |
Series B Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend rate | 6.00% |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  | 5,840,889 | 5,956,065 |  | 5,840,889 |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  | 6,340,889 | 6,456,065 |  | 6,340,889 |  |  |
Redemption of preferred stock | $ |  |  |  |  | $ 2,429 |  |  |  |  |  |
Share repurchase program, authorized amount | $ | $ 20,000 |  |  |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |  |  | $ 0.001 | $ 0.001 |  | $ 0.001 |  |  |
Series B Preferred Stock | Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Redemptions of preferred stock (in shares) |  |  |  |  | 115,176 |  |  |  |  |  |

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