XML 12 R1.htm IDEA: XBRL DOCUMENT v3.7.0.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2017
May 05, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Entity Registrant Name CONSOLIDATED WATER CO LTD  
Entity Central Index Key 0000928340  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Trading Symbol CWCO  
Entity Common Stock, Shares Outstanding   14,889,865