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

Annual report pursuant to Section 13 and 15(d)

Borrowings - Terms of MetLife Facility (Detail)

Borrowings - Terms of MetLife Facility (Detail) - USD ($)					12 Months Ended
	Dec. 20, 2017	Sep. 08, 2017	Jul. 17, 2017	Jul. 13, 2017	Dec. 31, 2017	Jun. 16, 2016	Dec. 05, 2014
Northwest Farm Credit Services Notes Payable
Debt Instrument [Line Items]
Aggregate Commitment		$ 5,460,000
Principal Outstanding					$ 5,412,000
Term of debt		39 years 7 months 6 days
New MetLife Credit Facility
Debt Instrument [Line Items]
Principal Outstanding					141,210,000
Additional amount available to be drawn					$ 8,000,000
Minimum annualized rate (as percent)					2.50%
New MetLife Credit Facility \| Minimum
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage					0.10%
New MetLife Credit Facility \| Maximum
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage					0.20%
New MetLife Credit Facility \| Term Notes
Debt Instrument [Line Items]
Aggregate Commitment					$ 200,000,000
Principal Outstanding					131,210,000
Undrawn Commitment					63,530,000
Debt instrument, principal payments					$ 5,300,000
Weighted-average interest rate (as percent)					3.30%
Term of debt					10 years
New MetLife Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Aggregate Commitment					$ 75,000,000
Principal Outstanding					10,000,000
Undrawn Commitment					$ 65,000,000
Interest rate (as percent)					3.60%
New MetLife Credit Facility \| Line of Credit \| LIBOR
Debt Instrument [Line Items]
Basis spread (as percent)					2.25%
Farm Credit Central Florida Notes Payable
Debt Instrument [Line Items]
Aggregate Commitment				$ 5,472,000
Principal Outstanding					$ 24,664,000
Term of debt				28 years 4 months 14 days
Farm Credit West Note Payable
Debt Instrument [Line Items]
Aggregate Commitment	$ 3,555,000		$ 8,162,000
Principal Outstanding					24,222,000
Term of debt	20 years		20 years
Farmer Mac Facility
Debt Instrument [Line Items]
Aggregate Commitment					125,000,000	$ 125,000,000	$ 75,000,000
Principal Outstanding					84,519,000
Undrawn Commitment					39,118,000
Additional amount available to be drawn					$ 0
Weighted-average interest rate (as percent)					3.13%