Document and Entity Information
Document and Entity Information | May 02, 2022 | Apr. 25, 2022 |
Entity Information [Line Items] | ||
Document Type | 8-K | |
Document Period End Date | May 2, 2022 | |
Entity Registrant Name | AMERICAN STATES WATER CO | |
Entity Incorporation, State or Country Code | CA | |
Entity File Number | 001-14431 | |
Entity Tax Identification Number | 95-4676679 | |
Entity Address, Address Line One | 630 East Foothill Blvd. | |
Entity Address, City or Town | San Dimas | |
Entity Address, State or Province | CA | |
Entity Address, Postal Zip Code | 91773-1212 | |
City Area Code | 909 | |
Local Phone Number | 394-3600 | |
Written Communications | false | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Title of 12(b) Security | American States Water Company Common Shares | |
Trading Symbol | AWR | |
Security Exchange Name | NYSE | |
Entity Emerging Growth Company | false | |
Entity Central Index Key | 0001056903 | |
Amendment Flag | false |