XML 55 R44.htm IDEA: XBRL DOCUMENT v3.19.2

Leases (Details Textual)	1 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019
Lessee Operating Lease Expire Date		Apr. 30, 2024
AdR [Member]
Operating Leases, Rent Expense	$ 30,000
Lessee, Operating Lease, Renewal Term	20 years	20 years

X

- Definition

Lessee Operating Lease Expire Date

+ References

No definition available.

+ Details

Name:	cwco_LesseeOperatingLeaseExpireDate
Namespace Prefix:	cwco_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=cwco_AguasDeRosaritoSapiDeCvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: