Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Loans	$ 9,831,384	$ 9,177,478
Allowance for loan losses	(172,532)	(184,532)
Net loans	9,658,852	8,992,946
Loans held for sale	8,827	31,076
Investment securities:
Available for sale ($736,183 and $418,046 pledged in 2012 and 2011, respectively, to secure repurchase agreements)	9,522,248	9,224,702
Trading	28,837	17,853
Non-marketable	118,650	115,832
Total investment securities	9,669,735	9,358,387
Short-term federal funds sold and securities purchased under agreements to resell	27,595	11,870
Long-term securities purchased under agreements to resell	1,200,000	850,000
Interest earning deposits with banks	179,164	39,853
Cash and due from banks	573,066	465,828
Land, buildings and equipment – net	357,612	360,146
Goodwill	125,585	125,585
Other intangible assets – net	5,300	7,714
Other assets	353,853	405,962
Total assets	22,159,589	20,649,367
LIABILITIES AND STOCKHOLDERS’ EQUITY
Non-interest bearing	6,299,903	5,377,549
Savings, interest checking and money market	9,817,943	8,933,941
Time open and C.D.’s of less than $100,000	1,074,618	1,166,104
Time open and C.D.’s of $100,000 and over	1,156,189	1,322,289
Total deposits	18,348,653	16,799,883
Federal funds purchased and securities sold under agreements to repurchase	1,083,550	1,256,081
Other borrowings	103,710	111,817
Other liabilities	452,102	311,225
Total liabilities	19,988,015	18,479,006
Commerce Bancshares, Inc. stockholders’ equity:
Preferred stock, $1 par value Authorized and unissued 2,000,000 shares	0	0
Common stock, $5 par value Authorized 100,000,000 shares; issued 91,729,235 and 89,277,398 shares in 2012 and 2011, respectively	458,646	446,387
Capital surplus	1,102,507	1,042,065
Retained earnings	477,210	575,419
Treasury stock of 196,922 and 217,755 shares in 2012 and 2011, respectively, at cost	(7,580)	(8,362)
Accumulated other comprehensive income	136,344	110,538
Total Commerce Bancshares, Inc. stockholders’ equity	2,167,127	2,166,047
Non-controlling interest	4,447	4,314
Total equity	2,171,574	2,170,361
Total liabilities and equity	$ 22,159,589	$ 20,649,367