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

Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Detail)

Borrowings - Additional Information (Detail) (USD $)	3 Months Ended		0 Months Ended
Borrowings - Additional Information (Detail) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	May 09, 2014	Mar. 10, 2015	Sep. 29, 2014	Jan. 05, 2015	Dec. 11, 2014	Dec. 31, 2014	Sep. 19, 2014
Debt Instrument [Line Items]
Weighted average interest rate on borrowings	3.60%	3.50%
Note payable, outstanding	$ 94,866,803us-gaap_SecuredLongTermDebt		$ 94,866,803us-gaap_SecuredLongTermDebt						$ 82,417,361us-gaap_SecuredLongTermDebt
Line of credit, carrying value	11,800,000us-gaap_LineOfCredit		11,800,000us-gaap_LineOfCredit						4,000,000us-gaap_LineOfCredit
Unamortized deferred financing costs	1,048,685us-gaap_DeferredFinanceCostsNet		1,048,685us-gaap_DeferredFinanceCostsNet						1,039,714us-gaap_DeferredFinanceCostsNet
MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount				125,000,000
New Credit Facility maximum borrowing capacity, percentage				58.00%
Line of credit, carrying value	11,800,000		11,800,000
Loan origination fees	220,500		220,500
Aggregate financing costs			614,611
Unamortized deferred financing costs	298,614		298,614
Availability of credit facility	7,500,000		7,500,000
Farmer Mac Facility [Member]
Debt Instrument [Line Items]
Debt instrument covenants description	A maximum leverage ratio of not more than 65%; a minimum fixed charge coverage ratio of 1.4; and a minimum tangible net worth in excess of $50,000,000 (plus a certain percentage of future equity offerings).
Debt instrument, net worth value	50,000,000		50,000,000
Aggregate financing costs	47,295
Debt instrument, maximum leverage ratio	65.00%
Debt instrument, minimum fixed charge coverage ratio	140.00%		140.00%
Percentage of outstanding bonds held by bond purchasers	110.00%
Farm Credit [Member]
Debt Instrument [Line Items]
Debt instrument covenants description	A net worth value in excess of $50,000,000; and a maximum leverage ratio of equal to or less than 65%.
Debt instrument, net worth value	50,000,000		50,000,000
Loan origination fees	93,053		93,053
Aggregate financing costs	151,157
Aggregate notes payable										4,200,000
Additional borrowings					2,400,000	8,300,000
Total borrowings from credit notes payable	14,700,000		14,700,000
Original principal amounts as a percent of aggregate appraised value	60.00%		60.00%
Notes payable of principal and interest due period	12 months
2014 Farm Credit [Member]
Debt Instrument [Line Items]
Blended fixed interest rate	3.53%		3.53%
Maturity Date	Aug. 01, 2034
Percentage added to LIBOR	2.875%
Credit notes payable interest rate there after, Description	LIBOR, plus 2.875%
2015 Farm Credit [Member]
Debt Instrument [Line Items]
Blended fixed interest rate	3.20%		3.20%
Maturity Date	May 01, 2020
Mortgage Note Payable [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	100,000,000		100,000,000	100,000,000
Blended fixed interest rate	3.61%		3.61%						3.61%
Commitment fee on undrawn amount	0.20%		0.20%
Period for interest rate adjustment	3 years
Expiration date of commitment	Dec. 31, 2016
Maturity Date	Jan. 05, 2029
Note payable, outstanding	66,300,000		66,300,000
Blended fixed interest rate	3.61%		3.61%
Line of credit, carrying value	11,800,000		11,800,000
Mortgage Note Payable [Member] \| Mortgage Notes and Bonds Payable [Member]
Debt Instrument [Line Items]
Aggregate fair value of mortgage notes payable outstanding	95,000,000		95,000,000
Mortgage notes payable, carrying value	94,900,000		94,900,000
Line of Credit [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	25,000,000		25,000,000	25,000,000
Blended fixed interest rate	2.76%		2.76%						2.75%
Commitment fee on undrawn amount	0.20%		0.20%
Maturity Date	Apr. 05, 2024
Debt instrument interest rate	Three-month LIBOR plus a spread of 2.50%
Percentage added to LIBOR	2.50%
Minimum annualized rate	2.75%
Debt instrument covenants description	A debt-to-asset-value ratio of equal to or less than 65%; a net worth value in excess of $50,000,000; a debt-to-two-times-net-worth ratio of equal to or less than 0.65; and a rental-revenue-to-debt ratio of equal to or greater than 5.0%.
Debt instrument, net worth value	50,000,000		50,000,000
Bond Payable [Member] \| Farmer Mac Facility [Member]
Debt Instrument [Line Items]
Debt instrument face amount	75,000,000		75,000,000
Blended fixed interest rate							3.25%	3.25%
Maturity Date							Jan. 06, 2020	Dec. 11, 2019
Additional borrowings							$ 10,200,000	$ 3,700,000
Maximum loan-to-value ratio	60.00%
Expiration term							5 years	5 years