The interest rate on debt after the change in debt rating.

No definition available.

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Namespace Prefix:	iipr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of initial issuance costs, including both liability and equity components.

+ References

No definition available.

+ Details

Name:	iipr_InitialDebtIssuanceCosts
Namespace Prefix:	iipr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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Balance Type:	na
Period Type:	instant

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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

- Details

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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type:

- Details

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Debt - Notes due 2026 (Details) - USD ($) $ in Thousands		6 Months Ended
Debt - Notes due 2026 (Details) - USD ($) $ in Thousands	May 25, 2021	Jun. 30, 2024	Dec. 31, 2023
Principal amount		$ 300,000
Notes due 2026
Principal amount	$ 300,000	$ 300,000	$ 300,000
Interest rate	5.50%
Issuance costs	$ 6,800
Debt Instrument, Interest Rate, Effective Percentage		6.03%
Notes due 2026 \| Minimum
Debt instrument change in debt rating interest rate	6.00%
Notes due 2026 \| Maximum
Debt instrument change in debt rating interest rate	6.50%
Notes due 2026 \| Redeemed Prior To February 25, 2026
Percentage of principal amount redeemed		100.00%
Notes due 2026 \| Redeemed On Or After February 25, 2026
Percentage of principal amount redeemed		100.00%
Notes due 2026 \| Accounts payable and accrued expenses
Accrued interest payable		$ 2,100	$ 2,100