Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
INTEREST INCOME
Interest and fees on loans	$ 167,959	$ 159,182	$ 502,100	$ 460,332
Interest and fees on loans held for sale	308	315	1,003	991
Interest on investment securities	58,607	59,792	178,687	178,598
Interest on federal funds sold and short-term securities purchased under agreements to resell	7	69	51	426
Interest on long-term securities purchased under agreements to resell	3,621	3,915	11,066	11,814
Interest on deposits with banks	1,241	1,478	5,113	4,208
Total interest income	231,743	224,751	698,020	656,369
INTEREST EXPENSE
Savings, interest checking and money market	10,225	7,230	30,081	19,338
Certificates of deposit of less than $100,000	1,740	834	4,530	2,190
Certificates of deposit of $100,000 and over	7,540	3,899	20,473	10,221
Interest on federal funds purchased and securities sold under agreements to repurchase	8,273	5,022	23,839	12,979
Interest on other borrowings	453	12	463	36
Total interest expense	28,231	16,997	79,386	44,764
Net interest income	203,512	207,754	618,634	611,605
Provision for loan losses	10,963	9,999	35,232	30,438
Net interest income after provision for loan losses	192,549	197,755	583,402	581,167
NON-INTEREST INCOME
Bank card transaction fees	44,510	42,427	126,800	127,095
Trust fee revenue	39,592	37,400	115,223	110,498
Deposit fee revenue	24,032	23,755	71,009	70,630
Capital market fees	1,787	1,595	5,610	5,878
Consumer brokerage services	4,030	3,884	11,665	11,623
Loan fees and sales	4,755	3,579	12,302	9,670
Other	14,037	11,074	38,633	32,860
Total non-interest income	132,743	123,714	381,242	368,254
INVESTMENT SECURITIES GAINS (LOSSES), NET
Investment securities gains (losses), net	4,909	4,306	3,874	6,641
NON-INTEREST EXPENSE
Salaries and employee benefits	123,836	116,194	366,026	347,677
Net occupancy	12,293	11,631	34,939	34,333
Equipment	4,941	4,592	14,202	13,617
Supplies and communication	5,106	5,103	15,543	15,542
Data processing and software	23,457	22,056	68,965	63,762
Marketing	6,048	4,999	17,963	14,946
Deposit insurance	1,621	3,167	5,024	9,750
Community Service	564	580	2,008	1,965
Other	13,154	16,737	47,554	47,604
Total non-interest expense	191,020	185,059	572,224	549,196
Income before income taxes	139,181	140,716	396,294	406,866
Less income taxes	29,101	26,647	80,860	79,412
Net income	110,080	114,069	315,434	327,454
Less non-controlling interest expense (income)	838	1,493	1,083	3,564
Net income attributable to Commerce Bancshares, Inc.	109,242	112,576	314,351	323,890
Preferred Stock Dividends	2,250	2,250	6,750	6,750
Net Income (Loss) Available to Common Stockholders	$ 106,992	$ 110,326	$ 307,601	$ 317,140
Net income per common share — basic	$ 0.98	$ 0.99	$ 2.79	$ 2.83
Net income per common share — diluted	$ 0.98	$ 0.98	$ 2.79	$ 2.82