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

Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

Stockholders' Equity - Additional Information (Detail) - USD ($)													12 Months Ended
	Dec. 16, 2015	Dec. 11, 2015	Jun. 15, 2015	Jun. 10, 2015	May. 15, 2015	May. 13, 2015	Oct. 29, 2014	Oct. 24, 2014	Sep. 29, 2014	Sep. 25, 2014	Mar. 31, 2014	Jan. 29, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Aug. 07, 2015	Apr. 02, 2014
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued												3,780,264
Distributions paid													$ 4,059,179	$ 2,458,802	$ 9,730,093
Accumulated earnings and profits															$ 9,600,000
Common stock, shares issued													9,992,941	7,753,717
Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Securities allowed for issuance																	$ 300,000,000
Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued													2,239,224	1,223,453	3,780,264
Value of common stock issuable per registration statement													$ 23,300,000
2014 Equity Issuances [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued										1,150,000
Price per share										$ 12.28
Gross proceeds from issuance of common stock									$ 14,100,000
Net proceeds after deducting offering expenses									$ 13,200,000
2015 Equity Issuances [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued		900,000				1,250,000
Price per share		$ 8.82				$ 11.40
Gross proceeds from issuance of common stock	$ 7,900,000				$ 14,300,000
Net proceeds after deducting offering expenses	$ 7,400,000				$ 13,200,000
Over-Allotment Option [Member]
Subsidiary, Sale of Stock [Line Items]
Gross proceeds from issuance of common stock			$ 645,000				$ 902,000
Net proceeds after deducting offering expenses			$ 606,000				$ 838,000
Additional common stock shares issued				56,597				73,453
IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued												3,333,334
Price per share												$ 15.00
Gross proceeds from issuance of common stock												$ 56,700,000
Net proceeds after deducting offering expenses												$ 51,300,000	$ 51,300,000
Invested in new property acquisition															$ 37,900,000
Expended or accrued for capital improvements															$ 1,700,000
Distributions paid											$ 10,300,000
Universal Registration Statement [Member] \| Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares issued													2,156,080
At-the-Market Program [Member]
Subsidiary, Sale of Stock [Line Items]
Gross proceeds from issuance of common stock													$ 300,000
Sale of common stock sold under sale agreement													32,627
Average sales price of common stock sold													$ 9.19
Net proceeds from issuance of common stock													$ 295,000
At-the-Market Program [Member] \| Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, value authorized																$ 30,000,000