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

Real Estate and Intangible Assets - Summary of Geographic Locations of Properties (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013 acre Farm Lease	Sep. 30, 2012 Farm acre Lease
Real Estate Properties [Line Items]
Number of Farms	14	12
Number of Leases	10	8
Total Acres	1,959	1,631
% of Total Acres	100.00%	100.00%
Rental Revenue	$ 2,860,435	$ 2,473,837
% of Total Rental Revenue	100.00%	100.00%
California [Member]
Real Estate Properties [Line Items]
Number of Farms	6	6
Number of Leases	5	5
Total Acres	1,229	1,229
% of Total Acres	62.70%	75.40%
Rental Revenue	2,408,110	2,386,024
% of Total Rental Revenue	84.20%	96.50%
Florida [Member]
Real Estate Properties [Line Items]
Number of Farms	6	6
Number of Leases	3	3
Total Acres	402	402
% of Total Acres	20.50%	24.60%
Rental Revenue	345,113	87,813
% of Total Rental Revenue	12.10%	3.50%
Michigan [Member]
Real Estate Properties [Line Items]
Number of Farms	1	0
Number of Leases	1	0
Total Acres	119	0
% of Total Acres	6.10%	0.00%
Rental Revenue	42,673
% of Total Rental Revenue	1.50%	0.00%
Oregon [Member]
Real Estate Properties [Line Items]
Number of Farms	1	0
Number of Leases	1	0
Total Acres	209	0
% of Total Acres	10.70%	0.00%
Rental Revenue	$ 64,539
% of Total Rental Revenue	2.20%	0.00%