Gladstone Land Corporation Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended	0 Months Ended	1 Months Ended	12 Months Ended			12 Months Ended
	Dec. 31, 2013 Installment acre	Jan. 21, 2014 Subsequent Event [Member]	Jan. 31, 2014 Subsequent Event [Member]	Dec. 31, 2013 West Beach [Member]	Dec. 31, 2013 West Beach [Member] Minimum [Member]	Sep. 11, 2013 West Beach [Member] Minimum [Member]	Dec. 31, 2013 West Beach [Member] Maximum [Member]	Sep. 11, 2013 West Beach [Member] Maximum [Member]
Commitment And Contingencies [Line Items]
Area for installation of irrigation equipment	121
Total farmable area of Colding loop property	181
Estimated expended irrigation costs	$ 616,000
Additional leased farm land	60
Additional estimated irrigation costs	83,000					246,000		296,000
Expected capital improvements on lease					200,000		250,000
Amount payable to tenant under agreement in two installments					46,000
Number of installments paid	2
Expended or accrued for capital improvements				23,000
Cooling facility upgrade and expansion maximum costs to be incurred	450,000
Cooling facility upgrade and expansion costs incurred	$ 352,000	$ 450,000	$ 450,000