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v3.23.1

Commitments and contingencies (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Contingencies |  |  |
Employment Agreement Base Annual Salaries |  | $ 4.2 |
Cayman Water Retail Operations, Percentage Of Revenue |  | 27.00% | 33.00%
Cayman Water Retail Operations, Percentage Of Gross Profit |  | 44.00% | 47.00%
WSC [Member] |  |  |
Contingencies |  |  |
Accounts Receivable, Net |  | $ 16.3 | $ 21.5
Subsequent Event [Member] |  |  |
Contingencies |  |  |
Long-term Purchase Commitment, Amount | $ 41.7 |  |

X
- Definition Represents the percentage of consolidated gross profit from Cayman Water retail operations. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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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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- Definition na + References No definition available. + Details
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- Definition Represents the base annual salary amount, under the employment agreement. + References No definition available. + Details
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Namespace Prefix: | cwco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 310 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126942793&loc=d3e3073-115593 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Period Type: |