Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 29, 2021 USD ($)
Financing Receivable, after Allowance for Credit Loss, Total	$ 30,000	$ 30,000
Number of Reportable Segments	1
Impairment of Real Estate	$ 0	$ 0
Number of Real Estate Properties	27
GreenAcreage Management Owner LLC (GAMO) [Member] \| NewLake Capital Partners Inc [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	2.40%	2.70%
Building and Improvements [Member]
Construction in Progress, Gross	$ 7,800	$ 13,100
Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	35 years
Tenant Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	35 years
Mortgage Receivable [Member] \| HDAI [Member]
Financing Receivable, after Allowance for Credit Loss, Total	$ 30,000		$ 30,000
Mortgage Receivable [Member] \| HDAI [Member] \| Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 30,000

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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