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v3.19.1

Accounting policies (Details 1) | 12 Months Ended
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Dec. 31, 2018
Retail [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 100.00%
Retail [Member] | Discounted cash flow [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 80.00%
Retail [Member] | Guideline public company [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%
Retail [Member] | Mergers and acquisitions [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%
Bulk [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 100.00%
Bulk [Member] | Discounted cash flow [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 80.00%
Bulk [Member] | Guideline public company [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%
Bulk [Member] | Mergers and acquisitions [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%
Manufacturing Units [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 100.00%
Manufacturing Units [Member] | Discounted cash flow [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 80.00%
Manufacturing Units [Member] | Guideline public company [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%
Manufacturing Units [Member] | Mergers and acquisitions [Member] |
Estimated Fair Value Percentage Segment Reporting Information | 10.00%

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- Definition Represents the estimated fair value of reporting segments. + References No definition available. + Details
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Namespace Prefix: | cwco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
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Data Type: | na
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- Details
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Data Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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