Represents the percentage of consolidated gross profit from Cayman Water retail operations.

No definition available.

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- Definition

Represents the percentage of consolidated revenue from Cayman Water retail operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	cwco_
Data Type:	dtr-types:percentItemType
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- Definition

+ References

No definition available.

+ Details

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Namespace Prefix:	cwco_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the gallons of water delivered per week,

+ References

No definition available.

+ Details

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Namespace Prefix:	cwco_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of delinquent account receivable balanc.e

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479196/954-310-45-1

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-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

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Data Type:	dtr-types:percentItemType
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Commitments and contingencies (Details) gal in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) gal	Sep. 30, 2023	Sep. 30, 2024 USD ($) gal	Sep. 30, 2023	Dec. 31, 2023 USD ($)
Contingencies
Cayman Water Retail Operations, Percentage Of Revenue	23.00%	14.00%	23.00%	18.00%
Cayman Water Retail Operations, Percentage Of Gross Profit	34.00%	23.00%	36.00%	29.00%
Percentage of revenue collected paid	7.50%		7.50%
Percentage of delinquent account receivables	77.00%		77.00%		80.00%
Consolidated Water Bahamas [Member]
Contingencies
Accounts Receivable, Net \| $	$ 25.1		$ 25.1		$ 26.9
Blue Hills Water Works Plant \| Consolidated Water Bahamas [Member]
Contingencies
Gallons of Water Delivered Per Week	63.0		63.0
Windsor Water Plant \| Consolidated Water Bahamas [Member]
Contingencies
Gallons of Water Delivered Per Week	16.8		16.8