Stockholders' Equity and Non-controlling Interests - Computation of basic and diluted earnings (loss) per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator:
Net income (loss) attributable to Farmland Partners Inc.	$ 860	$ 1,687	$ 1,301	$ 60
Less: Nonforfeitable distributions allocated to unvested restricted shares	(41)	(37)	(83)	(80)
Net (loss) income available to common stockholders of Farmland Partners Inc.	$ (2,323)	$ 772	$ (5,065)	$ (1,775)
Denominator:
Weighted-average number of common shares - basic (in shares)	32,542	32,457	32,777	29,594
Weighted-average number of common shares - diluted (in shares)	32,542	32,457	32,777	29,594
Income per share attributable to common stockholders - basic	$ (0.07)	$ 0.02	$ (0.15)	$ (0.06)
Redeemable Preferred OP Units
Numerator:
Distributions on redeemable non-controlling interests in operating partnership	$ (3,142)	$ (878)	$ (6,283)	$ (1,755)