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

Equity - Equity Issuances (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Common Stock \| Follow-on Offerings
Class of Stock [Line Items]
Number of Shares Sold (in shares)	1,897,500	2,277,297
Weighted-average Offering Price per Share	$ 14.40	$ 11.73
Gross Proceeds	$ 27,324	$ 26,713
Net Proceeds	$ 26,094	$ 25,401
Common Stock \| ATM Program
Class of Stock [Line Items]
Number of Shares Sold (in shares)	3,096,558	197,142
Weighted-average Offering Price per Share	$ 14.82	$ 12.24
Gross Proceeds	$ 45,883	$ 2,413
Net Proceeds	$ 45,424	$ 2,377
Preferred Stock \| Series B Preferred Stock
Class of Stock [Line Items]
Number of Shares Sold (in shares)	1,229,531	3,626,076
Weighted-average Offering Price per Share	$ 24.52	$ 24.61
Gross Proceeds	$ 30,148	$ 89,232
Net Proceeds	$ 27,664	$ 81,587
Preferred Stock \| Series C Preferred Stock
Class of Stock [Line Items]
Number of Shares Sold (in shares)	1,088,315
Weighted-average Offering Price per Share	$ 24.80
Gross Proceeds	$ 26,987
Net Proceeds	$ 24,759
Shares issued pursuant to the DRIP (in shares)	258