Equity - Schedule of OP Units Tendered for Redemption (Details) - Gladstone Land Limited Partnership - Limited Partner $ / shares in Units, $ in Thousands  | 
3 Months Ended | 
|---|---|
| 
 Mar. 31, 2019  
USD ($)  
$ / shares  
shares 
 | |
| Limited Partners' Capital Account [Line Items] | |
| OP Units tendered for redemption (in shares) | 570,879 | 
| Shares of common stock issued (in shares) | 570,879 | 
| OP Units redeemed with cash (in shares) | 0 | 
| Aggregate cash payment | $ | $ 0 | 
| Aggregate cash paid per OP Unit (in dollars per share) | $ / shares | $ 0.00 | 
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- Definition Partners' Capital Account, Units, Redeemed for Cash No definition available. 
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- Definition Payments for Repurchase of Redeemable Preferred Stock, Per Share No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The number of units converted into shares of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The cash outflow for reacquisition of callable preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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- Details 
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