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

Related-Party Transactions - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Related Party Transaction [Line Items]
Maximum Annual management fee				2.00%
Reimbursement for overhead expenses				2.00%
Amount of payroll and benefits reimbursed				2.00%
Overhead expense reimbursements limitation period				1 year
Annual base management fee, in percentage of stockholders' equity, in excess of recorded value of preferred stock				1.00%
Expected Annual Base Management Fee				2.00%
Pre-incentive quarterly fee FFO in percentage of common stockholders equity that will reward the advisor				1.75%
Pre-incentive annual fee FFO in percentage of common stockholders equity that will reward the advisor				7.00%
Amount to be paid to Adviser in percentage of pre-incentive fee condition one	100.00%
Pre-incentive fee in percentage of common stockholders equity that awards adviser hundred percent of amount of pre-incentive fee, maximum percentage				2.1875%
Amount to be paid to Adviser in percentage of pre-incentive fee condition two				20.00%
Pre-incentive fee in percentage of common stockholders' equity that awards the adviser 20% of the amount of the pre-incentive fee, minimum percentage				2.1875%
Incentive fee paid to adviser		$ 41,037	$ 0	$ 41,037	$ 0
Maximum [Member]
Related Party Transaction [Line Items]
Adviser will receive 100% of the amount of the pre-incentive fee FFO annually that exceeds the hurdle but less than				8.75%