Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017		Jun. 30, 2016
INTEREST INCOME
Interest and fees on loans	$ 134,273	$ 121,151	$ 262,596		$ 240,484
Interest and fees on loans held for sale	263	692	459		827
Interest on investment securities	54,975	54,698	110,240		103,589
Interest on federal funds sold and short-term securities purchased under agreements to resell	37	19	60		43
Interest on long-term securities purchased under agreements to resell	3,684	3,354	7,477		6,829
Interest on deposits with banks	362	151	759		421
Total interest income	193,594	180,065	381,591		352,193
INTEREST EXPENSE
Savings, interest checking and money market	4,342	3,548	8,232		7,032
Time open and C.D.'s of less than $100,000	674	709	1,318		1,451
Time open and C.D.'s of $100,000 and over	2,822	2,347	5,585		4,333
Interest on federal funds purchased and securities sold under agreements to repurchase	2,038	725	3,577		1,613
Interest on other borrowings	911	907	1,799		2,160
Total interest expense	10,787	8,236	20,511		16,589
Net interest income	182,807	171,829	361,080		335,604
Provision for loan losses	10,758	9,216	21,886		18,655
Net interest income after provision for loan losses	172,049	162,613	339,194		316,949
NON-INTEREST INCOME
Bank card transaction fees	44,999	45,065	88,203		89,535
Trust fees	33,120	30,241	65,134		59,484
Deposit account charges and other fees	22,861	21,328	44,803		42,019
Capital market fees	2,156	2,500	4,498		5,225
Consumer brokerage services	3,726	3,491	7,375		7,000
Loan fees and sales	4,091	3,196	7,259		5,706
Other	12,131	10,749	22,878		26,625
Total non-interest income	123,084	116,570	240,150		235,594
INVESTMENT SECURITIES GAINS (LOSSES), NET
Investment securities gains (losses), net	1,651	(744)	879	[1]	(1,739)	[1]
NON-INTEREST EXPENSE
Salaries and employee benefits	108,829	104,808	221,198		211,667
Net occupancy	11,430	11,092	22,873		22,395
Equipment	4,776	4,781	9,385		9,415
Supplies and communication	5,446	5,693	11,155		12,522
Data processing and software	23,356	22,770	46,453		45,669
Marketing	4,488	4,389	7,712		8,202
Deposit insurance	3,592	3,143	7,063		6,308
Other	22,677	20,413	45,585		38,384
Total non-interest expense	184,594	177,089	371,424		354,562
Income before income taxes	112,190	101,350	208,799		196,242
Less income taxes	33,201	31,542	58,108		60,912
Net income	78,989	69,808	150,691		135,330
Less non-controlling interest expense (income)	29	(85)	227		63
Net income attributable to Commerce Bancshares, Inc.	78,960	69,893	150,464		135,267
Preferred Stock Dividends	2,250	2,250	4,500		4,500
Net Income (Loss) Available to Common Stockholders	$ 76,710	$ 67,643	$ 145,964		$ 130,767
Net income per common share - basic	$ 0.75	$ 0.67	$ 1.43		$ 1.29
Net income per common share - diluted	$ 0.75	$ 0.66	$ 1.43		$ 1.28

[1] Available for sale and non-marketable securities