Summary of Significant Accounting Policies - COVID-19 (Details)	9 Months Ended
Sep. 30, 2021
COVID 19
Unusual or Infrequent Item, or Both [Line Items]
Rent collected (as a percent)	99.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration