XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2019
Aug. 02, 2019
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Entity Registrant Name Consolidated Water Co. Ltd.  
Entity Central Index Key 0000928340  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Trading Symbol CWCO  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Interactive Data Current Yes  
Title of 12(b) Security Class A common stock  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   15,027,574