Name:	fpi_BusinessAcquisitionProFormaWeightedAverageSharesOutstandingBasic
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Data Type:	xbrli:sharesItemType
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The pro forma weighted average number of shares outstanding diluted for a period as if the business combination or combinations had been completed at the beginning of a period.

No definition available.

Name:	fpi_BusinessAcquisitionProFormaWeightedAverageSharesOutstandingDiluted
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Amount of accrued property taxes due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

No definition available.

Name:	fpi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedPropertyTaxes
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Gross amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Represents the number of acquisitions.

No definition available.

Name:	fpi_NumberOfAcquisitions
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Represents the property management agreement termination payment amount.

No definition available.

Name:	fpi_PropertyManagementAgreementTerminationPayment
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Represents the amount of property management agreement termination payment, cost incurred prior to mergers.

No definition available.

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Represents the property management agreement termination payment, income statement impact.

No definition available.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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- References

No definition available.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References

No definition available.

Name:	us-gaap_BusinessCombinationDescriptionAbstract
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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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The amount of inventory recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The amount of property, plant, and equipment recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support.

No definition available.

Name:	us-gaap_ProfessionalAndContractServicesExpense
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Name:	us-gaap_ProfitLoss
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Data Type:	xbrli:monetaryItemType
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The aggregate revenue from real estate operations during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-Section S99
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Name:	us-gaap_RealEstateRevenueNet
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeasesAcquiredInPlaceMember
Namespace Prefix:
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Name:	us-gaap_StatementGeographicalAxis=stpr_MI
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=fpi_IrrigationImprovementsMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=fpi_PermanentPlantingsAndOtherRealEstateMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_BusinessAcquisitionAxis=fpi_AmericanFarmlandCompanyMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
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Namespace Prefix:
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Namespace Prefix:
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