XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.22.1

Subsequent events (Details) - Definitive Agreement With Water Authority-Cayman(WAC) - Subsequent Event [Member] gal in Thousands | May 10, 2022 | May 06, 2022 item gal
--- | --- | ---
Subsequent Event [Line Items] |  |
Definitive agreement, initial term | 18 months |
Definitive agreement, subsequent operation and maintenance period |  | 10 years
Number of reverse osmosis trains | item |  | 2
Maximum [Member] |  |
Subsequent Event [Line Items] |  |
Plant production capacity per day | gal |  | 2,640

X
- Definition Number of months where design, construct and commission of the plant takes place. + References No definition available. + Details
Name: | cwco_CollaborativeArrangementPlantDesignConstructionAndCommissionPeriod
Namespace Prefix: | cwco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of plant maintenance and water production in a collaborative arrangement. + References No definition available. + Details
Name: | cwco_CollaborativeArrangementPlantMaintenanceAndWaterProductionPeriod
Namespace Prefix: | cwco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The water production capacity of plant per day in a collaborative arrangement. + References No definition available. + Details
Name: | cwco_CollaborativeArrangementWaterProductionCapacityOfPlantPerDay
Namespace Prefix: | cwco_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of independent reverse osmosis trains. + References No definition available. + Details
Name: | cwco_NumberOfIndependentReverseOsmosisTrains
Namespace Prefix: | cwco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=cwco_DefinitiveAgreementWithWaterAuthorityCaymanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |