| Cover | Dec. 31, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 31, 2021 |
| Entity File Number | 000-23575 |
| Entity Registrant Name | COMMUNITY WEST BANCSHARES |
| Entity Central Index Key | 0001051343 |
| Entity Tax Identification Number | 77-0446957 |
| Entity Incorporation, State or Country Code | CA |
| Entity Address, Address Line One | 445 Pine Avenue |
| Entity Address, City or Town | Goleta |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 93117 |
| City Area Code | 805 |
| Local Phone Number | 692-5821 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | CWBC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
