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v3.23.1

Dividends (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Dividends. |  |  |  |  |  |  |  |  |  |
Dividends Per Share Declared | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.085 | $ 0.34 | $ 0.34

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- Definition Aggregate dividends declared during the period for each share of common stock and redeemable preferred stock outstanding. + References No definition available. + Details
Name: | cwco_DividendsPerShareDeclared
Namespace Prefix: | cwco_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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