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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 |  |  |  |  |

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