Summary of Significant Accounting Policies - Schedule of Provision for Impairment (Details) $ in Thousands		12 Months Ended
Dec. 31, 2019 USD ($) property	Dec. 31, 2020 USD ($) property	Dec. 22, 2019 USD ($) property
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Provisions for impairment \| $	$ 0	$ 2,690	$ 7,186
Number of properties
Classified as held for sale	0	5	2
Disposed within the period	0	3	4

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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 (b)
-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 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration