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

Real Estate and Intangible Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail)

Real Estate and Intangible Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Below-market lease values, gross	$ (371,707)us-gaap_BelowMarketLeaseGross	$ (371,707)us-gaap_BelowMarketLeaseGross
Below-market lease values, accumulated (amortization) accretion	217,337	162,194	162,194
Above-Market Lease Values [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	65,203	65,203
Finite-lived intangible asset, accumulated (amortization) accretion	(14,422)	(9,027)
Above (Below)-Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	(306,504)	(306,504)
Finite-lived intangible asset, accumulated (amortization) accretion	202,915	153,167
In-place Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	1,170,083	869,207
Finite-lived intangible asset, accumulated (amortization) accretion	(448,741)	(263,428)
Leasing Commissions [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	480,790	357,210
Finite-lived intangible asset, accumulated (amortization) accretion	(116,619)	(80,617)
Tenant Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	718,351	501,670
Finite-lived intangible asset, accumulated (amortization) accretion	(124,270)	(66,467)
Lease Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	2,369,224	1,728,087
Finite-lived intangible asset, accumulated (amortization) accretion	$ (689,630)	$ (410,512)