XML 66 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Mar. 06, 2020
Jun. 28, 2019
Document and Entity Information      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Registrant Name CONSOLIDATED WATER CO. LTD.    
Entity Central Index Key 0000928340    
Entity Well-known Seasoned Issuer No    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Trading Symbol CWCO    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Title of 12(b) Security Common Stock    
Entity Interactive Data Current Yes    
Security Exchange Name NASDAQ    
Entity Common Stock, Shares Outstanding   15,078,499  
Entity Public Float     $ 204,187,029