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Pay vs Performance Disclosure - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Pay vs Performance Disclosure        
Net income attributable to Commerce Bancshares, Inc. $ 120,596 $ 122,823 $ 367,837 $ 356,771