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The amount of default in base rent and property management fees receivable in lessor operating lease.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The amount of default in insurance premiums receivable in lessor operating lease.

No definition available.

Name:	iipr_LessorOperatingLeaseInsurancePremiumReceivableDefault
Namespace Prefix:	iipr_
Data Type:	xbrli:monetaryItemType
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The amount of default in receivables in lessor operating lease.

No definition available.

Name:	iipr_LessorOperatingLeaseReceivableDefault
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Data Type:	xbrli:monetaryItemType
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Number of leased properties.

No definition available.

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Data Type:	xbrli:integerItemType
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Number of leased properties that are operational.

No definition available.

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Data Type:	xbrli:integerItemType
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Number of leased properties with expansion project.

No definition available.

Name:	iipr_NumberOfLeasedPropertiesWithExpansionProject
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Data Type:	xbrli:integerItemType
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Number of leased properties that were in development or redevelopment.

No definition available.

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Data Type:	xbrli:integerItemType
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Lease terminated for number of properties.

No definition available.

Name:	iipr_NumberOfPropertiesLeaseTerminated
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Data Type:	xbrli:integerItemType
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The amount of security deposit applied as payments for defaulted lease.

No definition available.

Name:	iipr_SecurityDepositAppliedAsPaymentsForDefaultedLease
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Data Type:	xbrli:monetaryItemType
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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Amount of loss contingency liability.

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-Name Accounting Standards Codification
-Topic 450
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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_OtherCommitmentsLineItems
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Data Type:	xbrli:stringItemType
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Period Type:	duration

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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Cash received for the settlement of litigation during the current period.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_LitigationCaseAxis=iipr_AmendedClassActionLawsuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_LitigationCaseAxis=iipr_DerivativeActionLawsuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_LitigationCaseAxis=iipr_KingsGardenLawsuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=iipr_KingsGardenLeasesInSouthernCaliforniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
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