Gladstone Land Corporation Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)			3 Months Ended	6 Months Ended	12 Months Ended
Subsequent Events - Additional Information (Detail)	Jul. 21, 2015 USD ($)	Jul. 01, 2015 USD ($) a Farm	Jun. 30, 2015 USD ($)	Jun. 30, 2015 Farm	Dec. 31, 2014 USD ($) Farm
Subsequent Event [Line Items]
Number of Farms \| Farm				4	11
Insurance proceeds					$ 495,700
Property And Casualty Recovery [Member] \| West Gonzales [Member]
Subsequent Event [Line Items]
Insurance proceeds			$ 20,809
Subsequent Event [Member] \| Property And Casualty Recovery [Member] \| West Gonzales [Member]
Subsequent Event [Line Items]
Insurance proceeds	$ 76,423
Subsequent Event [Member] \| Nebraska [Member]
Subsequent Event [Line Items]
Total acre \| a		1,280
Number of Farms \| Farm		2
Total purchase price		$ 11,000,000