XML 73 R60.htm IDEA: XBRL DOCUMENT
v3.24.3

ACQUISITIONS AND DISPOSITIONS - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 apartmentCommunity acquisition | Sep. 30, 2023 USD ($) transaction acquisition apartmentCommunity | Sep. 30, 2024 USD ($) transaction acquisition apartmentCommunity | Sep. 30, 2023 USD ($) apartmentCommunity acquisition transaction
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of acquisitions during period | acquisition | 0 | 0 | 0 | 0
Number of exchange transactions | transaction |  | 1 | 2 | 5
Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of properties sold | apartmentCommunity | 0 | 4 | 2 | 13
Proceeds from Divestiture of Businesses | $ |  | $ 82.5 | $ 19.0 | $ 226.8

X
- Definition Number Of Acquisitions During Period + References No definition available. + Details
Name: | csr_NumberOfAcquisitionsDuringPeriod
Namespace Prefix: | csr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Disposal Transactions During Period + References No definition available. + Details
Name: | csr_NumberOfDisposalTransactionsDuringPeriod
Namespace Prefix: | csr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of properties sold during the period. + References No definition available. + Details
Name: | csr_NumberOfPropertiesSold
Namespace Prefix: | csr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |