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v3.19.1

Subsequent Events - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Apr. 19, 2019 USD ($) lease | Apr. 09, 2019 USD ($) a option $ / shares | May 07, 2019 USD ($) shares | Mar. 31, 2019 USD ($) a | Mar. 31, 2018 USD ($) a
Subsequent Event [Line Items] |  |  |  |  |
Area of real estate property (in acres) | a |  |  |  | 73,900 | 63,351
Base management fee |  |  |  | $ 905 | $ 656
Series B Preferred Stock | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Sale of stock sold under sale agreement (in shares) | shares |  |  | 345,031 |  |
Proceeds from issuance of preferred stock |  |  | $ 8,500 |  |
Net proceeds from issuance of stock |  |  | 7,800 |  |
Distribution per Share | $ / shares |  | $ 0.375 |  |  |
Common Stock | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Distribution per Share | $ / shares |  | $ 0.13350 |  |  |
Gladstone Securities |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Payment of management fees |  |  |  | $ 1,557 |
Sales Commissions and Broker-Dealer Fees | Gladstone Securities | Series B Preferred Stock | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Payment of management fees |  |  | 725 |  |
Sales Commissions and Broker-Dealer Fees | Gladstone Securities | Series B Preferred Stock | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Base management fee |  |  | $ 767 |  |
Farm, 928 Acres, Madera County, California [Member] | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Area of real estate property (in acres) | a |  | 928 |  |  |
Total Purchase Price |  | $ 28,600 |  |  |
Lease term (in years) |  | 10 years 6 months 22 days |  |  |
Number of renewal options | option |  | 2 |  |  |
Renewal term |  | 5 years |  |  |
Total annualized straight-line rent |  | $ 1,721 |  |  |
Fresno County, California | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of purchase agreements | lease | 2 |  |  |  |
Aggregate purchase price | $ 70,000 |  |  |  |

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