XML 98 R88.htm IDEA: XBRL DOCUMENT
v3.22.2

SEGMENT DISCLOSURE - Narrative (Details) - property | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting [Abstract] |  |  |  |
Number of types of commercial real estate properties | 2 | 2 | 2 | 2

X
- Definition Represents the number of types of commercial real estate properties. + References No definition available. + Details
Name: | cmct_NumberOfTypesOfCommercialRealEstateProperties
Namespace Prefix: | cmct_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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