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v3.24.1

Supplemental disclosure of cash flow information - Additional Information (Details) - shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Redeemable preferred stock [Member] |  |
Supplemental Disclosure Of Cash Flow Information [Line Items] |  |
Stock Issued During Period, Shares, Issued for Services | 13,309 | 9,295

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- References No definition available. + Details
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Namespace Prefix: | cwco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_RedeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |