Real Estate (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2018 USD ($) a	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($)	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) a item	Jun. 30, 2017 USD ($) $ / shares item shares	Jun. 30, 2016 USD ($) $ / shares shares	Dec. 31, 2017 USD ($)
Farms acquired and allocation of purchase price
Number of acquisitions | item					4	15
Total approximate acres | a	165,000				165,000
Number of acquisition accounted | item					0
Number of real estate property sold | item					1
Proceeds from Sale of Real Estate					$ 2,000
Gain (Loss) on Sale of Properties, Net of Applicable Income Taxes					200
Tenant Reimbursements	$ 774	$ 652			1,542	$ 756
Rental revenue	10,057	10,471			19,998	17,274
Acquisition related costs		183			141	698
Agreement termination payment amount			$ 1,600
Agreement termination payment amount, income statement impact			700
Agreement termination payment amount, cost incurred prior to mergers			900
Agreement termination fee			$ 200
Pro forma financial information
Revenue	11,419	11,460		$ 6,031	22,627	18,609	$ 10,723
Total operating revenue		11,460		10,336		19,602	17,821
Net loss	981	2,021		1,317	$ 1,484	19	(612)
Total net loss		2,021		4,059		(348)	1,098
Net income available to common stockholders of Farmland Partners Inc.		$ 773		$ 1,915		$ (2,042)	$ (377)
Income per basic share attributable to common stockholders | $ / shares		$ 0.02		$ 0.07		$ (0.06)	$ (0.01)
Income per diluted share attributable to common stockholders | $ / shares		$ 0.02		$ 0.07		$ (0.06)	$ (0.01)
Weighted-average number of common shares - basic | shares		31,927		26,598		31,927	26,598
Weighted-average number of common shares - diluted | shares		31,927		26,598		31,927	26,598
Leases in place
Farms acquired and allocation of purchase price
Weighted average amortization period					3 years
American Farmland Company
Farms acquired and allocation of purchase price
Number of acquisitions | item						1
Cash	3,832				$ 3,832
Other assets	1,831				1,831
Inventory	99				99
Deferred revenue	(4,434)				(4,434)
Other liabilities	(13,826)				(13,826)
Gross Total Consideration	246,144				246,144
Mortgage notes and bonds payable, net	(75,000)				(75,000)			$ (75,000)
Total Consideration	171,144				171,144
American Farmland Company | Land
Farms acquired and allocation of purchase price
Real estate	181,072				181,072
American Farmland Company | Irrigation improvements
Farms acquired and allocation of purchase price
Real estate	26,155				26,155
American Farmland Company | Permanent plantings
Farms acquired and allocation of purchase price
Real estate	48,513				48,513
American Farmland Company | Buildings
Farms acquired and allocation of purchase price
Real estate	1,499				1,499
American Farmland Company | Leases in place
Farms acquired and allocation of purchase price
Real estate	1,139				1,139
American Farmland Company | Lease origination costs
Farms acquired and allocation of purchase price
Real estate	264				264
Asset acquisition
Farms acquired and allocation of purchase price
Aggregate purchase price					26,800	$ 111,600
Intangible assets acquired	$ 0	$ 0			$ 0	0
Pro forma
Pro forma financial information
Revenue				$ 4,305		993	$ 7,098
Net loss				$ 2,742		$ (367)	$ 1,710