Document and Entity Information
Document and Entity Information Document | Oct. 16, 2019 |
Entity Listings [Line Items] | |
Document Type | 8-K |
Document Period End Date | Oct. 16, 2019 |
Entity Registrant Name | Commerce Bancshares, Inc. |
Entity Incorporation, State or Country Code | MO |
Entity File Number | 0-2989 |
Entity Tax Identification Number | 43-0889454 |
Entity Address, Address Line One | 1000 Walnut, |
Entity Address, City or Town | Kansas City, |
Entity Address, State or Province | MO |
Entity Address, Postal Zip Code | 64106 |
City Area Code | 816 |
Local Phone Number | 234-2000 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Amendment Flag | false |
Entity Central Index Key | 0000022356 |
Common Stock [Member] | |
Entity Listings [Line Items] | |
Title of 12(b) Security | $5 Par Value Common Stock |
Trading Symbol | CBSH |
Security Exchange Name | NASDAQ |
Preferred Stock [Member] | |
Entity Listings [Line Items] | |
Title of 12(b) Security | Depositary Shares, each representing a 1/1000th interest in a share of 6.0% Series B Non-Cumulative Perpetual Preferred Stock |
Trading Symbol | CBSHP |
Security Exchange Name | NASDAQ |