XML 72 R54.htm IDEA: XBRL DOCUMENT
v3.22.4

Transactions with Related Parties, Entry into Pool Agreement with V8 Pool Inc. (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022
Transactions with Related Parties [Abstract] |
Minimum age of vessels participating in pool operating Aframax tankers | 15 years

X
- Definition Minimum age of vessels participating in an Aframax tanker pool, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | ctrm_MinimumAgeOfVesselsParticipatingInTankerPool
Namespace Prefix: | ctrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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