Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($) Property	Jun. 30, 2020 USD ($) Property	Jun. 30, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Other-than-temporary impairment charges			$ 0
Provision for credit loss	$ 464,675	$ 1,822,356	$ 0
Greens Hold Co [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of Real Estate Properties \| Property	1	1
Ownership interest percentage in MF property	100.00%	100.00%

Amount of expense related to estimated loss from loan and lease transactions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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