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

Real Estate and Intangible Assets - Summary of Geographic Locations, by State, of Properties (Detail)

Real Estate and Intangible Assets - Summary of Geographic Locations, by State, of Properties (Detail) (USD $)	0 Months Ended	3 Months Ended
	Mar. 31, 2015 Farm acre	Mar. 31, 2015 Farm acre	Mar. 31, 2014 Farm acre
Real Estate Properties [Line Items]
Number of Farms	34land_NumberOfRealEstateFarms	34land_NumberOfRealEstateFarms	21land_NumberOfRealEstateFarms
Total Acres	8,789us-gaap_AreaOfRealEstateProperty	8,789us-gaap_AreaOfRealEstateProperty	6,000us-gaap_AreaOfRealEstateProperty
% of Total Acres		100.00%land_PercentageOfAreaOfLand	100.00%land_PercentageOfAreaOfLand
Rental revenue		$ 2,622,327	$ 1,495,636
% of Total Rental Revenue		100.00%land_PercentageOfRentalRevenue	100.00%land_PercentageOfRentalRevenue
California [Member]
Real Estate Properties [Line Items]
Number of Farms	15	15	8
Total Acres	2,722	2,722	1,454
% of Total Acres	31.00%	31.00%	24.20%
Rental revenue		1,839,707	1,013,612
% of Total Rental Revenue		70.20%	67.80%
Oregon [Member]
Real Estate Properties [Line Items]
Number of Farms		4	2
Total Acres	2,313	2,313	2,113
% of Total Acres		26.30%	35.20%
Rental revenue		291,537	238,025
% of Total Rental Revenue		11.10%	15.90%
Florida [Member]
Real Estate Properties [Line Items]
Number of Farms		10	6
Total Acres	1,723	1,723	402
% of Total Acres		19.60%	6.70%
Rental revenue		349,488	116,982
% of Total Rental Revenue		13.30%	7.80%
Arizona [Member]
Real Estate Properties [Line Items]
Number of Farms		1	1
Total Acres	1,761	1,761	1,761
% of Total Acres		20.00%	29.40%
Rental revenue		79,916	72,757
% of Total Rental Revenue		3.00%	4.90%
Michigan [Member]
Real Estate Properties [Line Items]
Number of Farms		4	4
Total Acres	270	270	270
% of Total Acres		3.10%	4.50%
Rental revenue		$ 61,679	$ 54,260
% of Total Rental Revenue		2.40%	3.60%