Nature of Operations - Additional Information (Details)	9 Months Ended
Sep. 30, 2021
Nature Of Operations [Line Items]
Entity incorporation date	Sep. 19, 2015
Operating Partnership
Nature Of Operations [Line Items]
Operating partnership formation month and year	2015-10
Operating Partnership \| Common Units
Nature Of Operations [Line Items]
Ownership percentage	85.20%
Operating Partnership \| GIP REIT Op Limited LLC
Nature Of Operations [Line Items]
Ownership percentage	0.002%

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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