XML 14 R1.htm IDEA: XBRL DOCUMENT v3.25.4
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Feb. 27, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37756    
Entity Registrant Name Global Water Resources, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 90-0632193    
Entity Address, Address Line One 21410 N. 19th Avenue #220    
Entity Address, City or Town Phoenix,    
Entity Address, State or Province AZ    
Entity Address, Postal Zip Code 85027    
City Area Code 480    
Local Phone Number 360-7775    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol GWRS    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 135.1
Entity Common Stock, Shares Outstanding   28,756,854  
Documents Incorporated by Reference
The information required by Part III of this report, to the extent not set forth herein, is incorporated herein by reference to the registrant’s definitive proxy statement relating to the 2026 annual meeting of stockholders to be filed with the Securities and Exchange Commission not later than 120 days after the end of the registrant’s fiscal year ended December 31, 2025.
    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001434728