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

Real Estate and Intangible Assets - Summary Information of Fourteen Farms (Detail)

Real Estate and Intangible Assets - Summary Information of Fourteen Farms (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013 Farm acre Lease	Sep. 30, 2012 acre Farm Lease
Business Acquisition [Line Items]
Encumbrances	$ 29,589,165
Net Cost Basis	42,069,990
Number of Farms	14	12
Number of Leases	10	8
Farmable Acres	1,639
Total Acres	1,959	1,631
San Andreas [Member] \| Watsonville, CA [Member]
Business Acquisition [Line Items]
Date Acquired	Jun. 16, 1997
Encumbrances	100,000
Net Cost Basis	4,874,836
Number of Farms	1
Number of Leases	1
Farmable Acres	237
Total Acres	306
Lease Expiration Date	Dec. 31, 2014
West Gonzales [Member] \| Oxnard, CA [Member]
Business Acquisition [Line Items]
Date Acquired	Sep. 15, 1998
Encumbrances	13,473,792
Net Cost Basis	12,501,855
Number of Farms	1
Number of Leases	2
Farmable Acres	501
Total Acres	653
Lease Expiration Date	Jun. 30, 2020
West Beach [Member] \| Watsonville, CA [Member]
Business Acquisition [Line Items]
Date Acquired	Jan. 03, 2011
Encumbrances	5,068,800
Net Cost Basis	8,328,475
Number of Farms	3
Number of Leases	1
Farmable Acres	195
Total Acres	198
Lease Expiration Date	Oct. 31, 2014
Dalton Lane [Member] \| Watsonville, CA [Member]
Business Acquisition [Line Items]
Date Acquired	Jul. 07, 2011
Encumbrances	2,587,853
Net Cost Basis	2,730,527
Number of Farms	1
Number of Leases	1
Farmable Acres	70
Total Acres	72
Lease Expiration Date	Oct. 31, 2015
Keysville Road [Member] \| Plant City, FL [Member]
Business Acquisition [Line Items]
Date Acquired	Oct. 26, 2011
Encumbrances	1,152,000
Net Cost Basis	1,230,758
Number of Farms	2
Number of Leases	1
Farmable Acres	50
Total Acres	59
Lease Expiration Date	Jul. 01, 2016
Colding Loop [Member] \| Wimauma, FL [Member]
Business Acquisition [Line Items]
Date Acquired	Aug. 09, 2012
Encumbrances	3,366,720
Net Cost Basis	3,992,932
Number of Farms	1
Number of Leases	1
Farmable Acres	181
Total Acres	219
Lease Expiration Date	Jun. 14, 2018
Trapnell Road [Member] \| Plant City, FL [Member]
Business Acquisition [Line Items]
Date Acquired	Sep. 12, 2012
Encumbrances	3,840,000
Net Cost Basis	3,854,554
Number of Farms	3
Number of Leases	1
Farmable Acres	110
Total Acres	124
Lease Expiration Date	Jun. 30, 2017
38th Avenue [Member] \| Covert, MI [Member]
Business Acquisition [Line Items]
Date Acquired	Apr. 05, 2013
Net Cost Basis	1,362,134
Number of Farms	1
Number of Leases	1
Farmable Acres	89
Total Acres	119
Lease Expiration Date	Apr. 04, 2020
Sequoia Street [Member] \| Brooks, OR [Member]
Business Acquisition [Line Items]
Date Acquired	May 31, 2013
Net Cost Basis	$ 3,193,919
Number of Farms	1
Number of Leases	1
Farmable Acres	206
Total Acres	209
Lease Expiration Date	May 31, 2028