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

Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended
	Apr. 02, 2014	Sep. 30, 2014	Jun. 30, 2014 Property	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2014 Property	Sep. 30, 2013	Dec. 31, 2013
Organization And Summary Of Significant Accounting Policies [Line Items]
Decrease in net income due to out of period adjustment				$ 9,638	$ 30,800		$ 30,800	$ 40,438
Amortization of acquired below market lease values		3,768			0	4,228	0
Accumulated amortization of acquired above market lease values		4,228				4,228
Amortization of acquired below market lease values		48,781			0	89,655	52,956
Accumulated amortization of acquired below market lease values		105,316		15,661		105,316		15,661
Amortization expense on intangibles assets		72,493			11,218	134,502	65,475
Number of property damaged			2
Number of properties recoverable						2
Impairments recognized on real estate						0
Leasehold improvements		172,000		0		172,000		0
Accrued interest on escrow funds		756				2,244
Short-term investments		680,952		680,443		680,952		680,443
Total income earned		172			213	509	5,575
Unamortized deferred financing costs		996,223		309,933		996,223		309,933
Accumulated amortization of deferred financing costs		99,796		64,148		99,796		64,148
Costs incurred for filing and preparation of a registration statement	140,822					934,378	4,687,580
Reserves or direct write-offs recorded						0
Uncertain tax positions, percentage						50.00%
2014 New Real Estate Activity [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Amortization expense on intangibles assets		43,328				43,328
Written off intangibles assets						(46,526)
Follow-on Offering [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Issuance costs applied to proceeds	6,629
Certificate of Deposit [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Maturity of short term investment period						12 months
Short-term investments		700,000		700,000		700,000		700,000
Amended maturity date of certificate of deposit						Sep. 06, 2014
Certificate of deposit's maturity date						Sep. 06, 2013
New Certificates of Deposit [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Certificate of deposit's maturity date						Sep. 06, 2015
U.S. Treasury Bills [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Certificate of deposit's maturity date						Jun. 27, 2013
Short-term U.S. Treasury Bills					20,000,000		20,000,000
MetLife [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Unamortized deferred financing costs		298,614				298,614
Above-Market Leases [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Purchase price allocated to lease values in connection with the current-year acquisitions		45,675		0		45,675		0
Below-Market Leases [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Purchase price allocated to lease values in connection with the current-year acquisitions		371,707		161,547		371,707		161,547
Real Estate [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Depreciation expense		331,430			160,533	887,939	443,635
Buildings and Improvements [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life						39 years
Horticulture [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life						25 years
Leasehold Improvements [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Depreciation expense		7,000				27,000
Accumulated depreciation		$ 27,000				$ 27,000
Minimum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Hypothetical expected lease-up periods for estimating carrying costs						3 months
Maturity of short term investment period						3 months
Percentage of REIT taxable income to its stockholders						90.00%
Minimum [Member] \| Leases Acquired in Place and Origination Cost [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Period of amortization for lease origination cost						1 year
Minimum [Member] \| Equipment and Fixtures [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life						5 years
Maximum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Hypothetical expected lease-up periods for estimating carrying costs						18 months
Maturity of short term investment period						1 year
Percentage of REIT taxable income to its stockholders						100.00%
Maximum [Member] \| Leases Acquired in Place and Origination Cost [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Period of amortization for lease origination cost						10 years
Maximum [Member] \| Equipment and Fixtures [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life						7 years