Stockholders' Equity and Non-controlling Interests - Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income (loss) attributable to Farmland Partners Inc.	$ (1,364)	$ 3,639	$ 4,695	$ 4,941
Less: Nonforfeitable distributions allocated to unvested restricted shares	(18)	(15)	(60)	(99)
Net loss available to common stockholders of Farmland Partners Inc.	$ (4,499)	$ 484	$ (4,733)	$ (4,581)
Denominator:
Weighted-average number of common shares - basic (in shares)	29,497	32,222	30,319	32,590
Weighted-average number of common shares - diluted (in shares)	29,497	32,222	30,319	32,590
Income (loss) per share attributable to common stockholders - basic	$ (0.15)	$ 0.02	$ (0.16)	$ (0.14)
Preferred Units
Numerator:
Less: Distributions and dividends	$ (3,117)	$ (3,140)	$ (9,368)	$ (9,423)