Organization Limited Liability Companies (LLCs) and Limited Partnerships (LPs) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
May 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Rangers Sub I, LLC
Real Estate Properties [Line Items]
Contributions	$ 50,000	$ 12,254	$ 20,818	$ 116,271	$ 135,941

Total contributions made by each class of partners (i.e., general, limited and preferred partners).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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