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

Annual report pursuant to Section 13 and 15(d)

Borrowings - Additional Information (Detail)

Borrowings - Additional Information (Detail) (USD $)	12 Months Ended			0 Months Ended			3 Months Ended	0 Months Ended
Borrowings - Additional Information (Detail) (USD $)	Dec. 31, 2014 Farm	Dec. 31, 2013 Farm	Dec. 31, 2012	Dec. 31, 2014	May 09, 2014	Sep. 29, 2014	Sep. 30, 2014 Farm	Dec. 11, 2014	Sep. 19, 2014	Nov. 30, 2002	Dec. 30, 2010	May 23, 2012	Dec. 12, 2014
Debt Instrument [Line Items]
Weighted average interest rate on borrowings	3.60%	3.60%	3.70%
Debt instrument interest rate	Three-month LIBOR plus 3.00%
Expiration date of commitment	May 31, 2012
Note payable, outstanding	$ 82,417,361us-gaap_SecuredLongTermDebt	$ 43,054,165us-gaap_SecuredLongTermDebt		$ 82,417,361us-gaap_SecuredLongTermDebt
Line of credit, carrying value	4,000,000us-gaap_LineOfCredit	100,000us-gaap_LineOfCredit		4,000,000us-gaap_LineOfCredit
Unamortized deferred financing costs	1,039,714us-gaap_DeferredFinanceCostsNet	309,933us-gaap_DeferredFinanceCostsNet		1,039,714us-gaap_DeferredFinanceCostsNet
Number of Farms	11land_NumberOfFarmsAcquired	9land_NumberOfFarmsAcquired
MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount					125,000,000
Maturity Date	May 09, 2014
New Credit Facility maximum borrowing capacity, percentage					58.00%
Loan fees aggregate amount	220,500			220,500
Aggregate financing costs				614,646
Unamortized deferred financing costs	298,614			298,614
Availability of credit facility	13,800,000			13,800,000
Additional availability of credit facility	1,600,000
Farm Credit [Member]
Debt Instrument [Line Items]
Maturity Date	Aug. 01, 2034
Blended fixed interest rate	3.53%			3.53%
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 sixty-five percent (65%).
Debt instrument, net worth value	50,000,000			50,000,000
Loan fees aggregate amount	78,211			78,211
Aggregate financing costs	126,640
Aggregate notes payable									4,200,000
Additional borrowings						8,300,000
Total borrowings from credit notes payable	12,400,000			12,400,000
Credit notes payable interest rate there after, Description	LIBOR, plus 2.875%.
Credit notes payable interest rate there after	2.875%
Original principal amounts as a percent of aggregate appraised value	60.00%			60.00%
Number of Farms							3
Notes payable of principal and interest due period	12 months
Agrifinance [Member]
Debt Instrument [Line Items]
Revolving line of credit facility										3,300,000
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	41,781
Additional borrowings	10,200,000
Debt instrument, maximum leverage ratio	0.65
Debt instrument, minimum fixed charge coverage ratio	1.4			1.4
Percentage of outstanding bonds held by bond purchasers	110.00%
New Line of Credit [Member]
Debt Instrument [Line Items]
Maturity Date	Apr. 05, 2024
New Line of Credit [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	4,785,000			4,785,000	25,000,000
Maturity Date	Apr. 05, 2017
Blended fixed interest rate		3.25%
Commitment fee on undrawn amount	0.20%			0.20%
Debt instrument interest rate	Three-month LIBOR plus a spread of 2.50%
Minimum annualized rate	2.75%
Debt instrument covenants description	A debt-to-asset-value ratio of equal to or less than sixty-five percent (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
Prior Note Payable [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Maturity Date	Jan. 05, 2026
Blended fixed interest rate	3.50%			3.50%
Commitment fee on undrawn amount	0.20%			0.20%
Remaining balance available to disburse under MetLife Note Payable	0			0
Prior Note Payable [Member] \| MetLife [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument face amount											45,200,000
Prior Line of Credit [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount												4,800,000
Maturity Date	Apr. 05, 2017
Mortgage Note Payable [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	45,200,000			45,200,000	100,000,000
Maturity Date	Jan. 05, 2026
Blended fixed interest rate	3.50%	3.50%		3.50%
Commitment fee on undrawn amount	0.20%			0.20%
Period for interest rate adjustment	3 years
Expiration date of commitment	Dec. 31, 2016
Line of credit, carrying value	4,000,000			4,000,000
Mortgage Note Payable [Member] \| MetLife [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maturity Date	Jan. 05, 2029
Mortgage Note Payable [Member] \| Mortgage Notes and Bonds Payable [Member]
Debt Instrument [Line Items]
Aggregate fair value of mortgage notes payable outstanding	82,000,000			82,000,000
Mortgage notes payable, carrying value	82,400,000			82,400,000
Mortgage Note Payable [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	100,000,000			100,000,000
Maturity Date	Jan. 05, 2029
Blended fixed interest rate	3.61%			3.61%
Note payable, outstanding													66,300,000
New Line of Credit [Member] \| MetLife [Member]
Debt Instrument [Line Items]
Debt instrument face amount	25,000,000			25,000,000
Maturity Date	Apr. 05, 2024
Blended fixed interest rate	2.75%			2.75%
Line of credit, carrying value	4,000,000			4,000,000
Bonds 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%
Additional borrowings								$ 3,700,000
Maximum loan-to-value ratio	60.00%
Expiration term								5 years