Real Estate (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Sep. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2017 USD ($)	Sep. 30, 2017 USD ($) $ / shares item shares	Sep. 30, 2016 USD ($) $ / shares item shares
Farms acquired and allocation of purchase price
Number of acquisitions | item						15	16
Aggregate purchase price						$ 111,120	$ 261,100
Intangible assets acquired				$ 0			0
Below Market Lease				(29)			(29)
Total Consideration				9,056			9,056
Tenant Reimbursements	$ 474			112		1,230	276
Rental revenue	11,107			6,164		28,381	16,462
Acquisition related costs	180			1,712		878	1,818
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	12,046			6,946		30,655	17,669
Total operating revenue	12,046			11,092		31,648	28,913
Net income (loss)	2,610			100		2,630	(513)
Total net income (loss)	2,610			531		2,263	1,628
Net income (loss) available to common stockholders of Farmland Partners Inc.	$ 221			$ (467)		$ (1,935)	$ (869)
Income (loss) per basic share attributable to common stockholders | $ / shares	$ 0.01			$ (0.02)		$ (0.06)	$ (0.03)
Income (loss) per diluted share attributable to common stockholders | $ / shares	$ 0.01			$ (0.02)		$ (0.06)	$ (0.03)
Weighted-average number of common shares - basic | shares	32,862			28,447		32,374	27,427
Weighted-average number of common shares - diluted | shares	32,862			28,447		32,374	27,427
Land
Farms acquired and allocation of purchase price
Real estate				$ 7,170			$ 7,170
Groundwater
Farms acquired and allocation of purchase price
Real estate				634			634
Irrigation improvements
Farms acquired and allocation of purchase price
Real estate				518			518
Permanent plantings
Farms acquired and allocation of purchase price
Real estate				763			763
Leases in place
Farms acquired and allocation of purchase price
Weighted average amortization period						3 years
South Carolina
Farms acquired and allocation of purchase price
Aggregate purchase price						$ 1,120
California
Farms acquired and allocation of purchase price
Aggregate purchase price						110,000
American Farmland Company
Farms acquired and allocation of purchase price
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)
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						111,600
Intangible assets acquired	0					0
Total revenue from date of acquisition						10,100
Net income (loss) from date of acquisition						2,400
Pro forma
Pro forma financial information
Revenue				4,146		993	11,244
Net income (loss)				$ 431		(367)	$ 2,141
Adjustment
Farms acquired and allocation of purchase price
Tenant Reimbursements		$ 200			$ 200
Rental revenue	200
Adjustment | Business combination, provisional information, initial accounting incomplete
Farms acquired and allocation of purchase price
Other assets	600					600
Deferred revenue	1,100					1,100
Other liabilities	600					600
Adjustment | Business combination, provisional information, initial accounting incomplete | Land
Farms acquired and allocation of purchase price
Real estate	800					800
Adjustment | Business combination, provisional information, initial accounting incomplete | Irrigation improvements
Farms acquired and allocation of purchase price
Real estate	100					100
Adjustment | Business combination, provisional information, initial accounting incomplete | Permanent plantings
Farms acquired and allocation of purchase price
Real estate	$ 200					$ 200