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

Real Estate and Intangible Assets - Summarized Information of Acquisition of Properties (Parenthetical) (Detail) (USD $)	0 Months Ended	12 Months Ended
	May 28, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Business Acquisition [Line Items]
Lease term	5 years
Lease revenue, annualized straight line rents		$ 4,027,687	$ 3,390,594	$ 2,964,082
Lease rental income	125,400
Extended lease term	5 years
2012 New Real Estate Activity [Member]
Business Acquisition [Line Items]
Lease revenue, annualized straight line rents			138,519
Natividad Road [Member]
Business Acquisition [Line Items]
Follow on lease origination costs capitalized		4,915
Lease term		2 years
Lease assumed, number of renewal options		1
Lease renewal term		3 years
Below market lease liability		161,547
Follow on lease term		9 years
Follow on lease, number of renewal terms		1
Lessor leasing arrangement, lease renewal term		5 years
Lease revenue, annualized straight line rents		413,476
Colding Loop [Member] \| 2012 New Real Estate Activity [Member]
Business Acquisition [Line Items]
Lease term		5 years
Lease revenue, annualized straight line rents			65,558
Lease term		10 months
Rental income of current lease		166,205
Lease expiration date		Jun. 14, 2013
Lease rental income		$ 125,400
Extended lease term		5 years