BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation (Details)	Dec. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Interest in operating partnership	85.30%	83.60%
Percentage of general interest partnership	100.00%	100.00%

The entity's ownership interest in the general partnership included in operating partnership interest.

No definition available.

Name:	csr_PercentageOfGeneralInterestPartnership
Namespace Prefix:	csr_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant