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, 2023	Dec. 31, 2022
Dividends.
Dividends Per Share Declared	$ 0.095	$ 0.095	$ 0.085	$ 0.085	$ 0.085	$ 0.085	$ 0.085	$ 0.085	$ 0.36	$ 0.34

Aggregate dividends declared during the period for each share of common stock and redeemable preferred stock outstanding.

No definition available.

Name:	cwco_DividendsPerShareDeclared
Namespace Prefix:	cwco_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration