Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
ASSETS
Loans	$ 17,771,263	$ 17,220,103
Allowance for credit losses on loans	(179,468)	(162,742)
Net Loans	17,591,795	17,057,361
Loans held for sale	4,329	3,242
Investment securities:
Debt Securities, Available-for-sale	9,095,513	9,136,853
Trading	40,080	38,034
Equity Securities, FV-NI and without Readily Determinable Fair Value	57,354	57,442
Other Securities	230,459	230,051
Total investment securities	9,423,406	9,462,380
Federal funds sold	0	3,000
Securities Purchased under Agreements to Resell	850,000	625,000
Interest-bearing Deposits in Banks and Other Financial Institutions	2,744,393	2,624,553
Cash and due from banks	803,239	748,357
Premises and equipment – net	485,700	475,275
Goodwill	146,539	146,539
Other intangible assets – net	13,311	13,632
Other assets	852,377	837,288
Total assets	32,915,089	31,996,627
Deposits [Abstract]
Non-interest bearing	8,205,711	8,150,669
Savings, interest checking and money market	15,047,406	14,754,571
Time open and C.D.’s of less than $100,000	1,023,406	996,721
Time open and C.D.'s of $100,000 and over	1,363,053	1,391,683
Total deposits	25,639,576	25,293,644
Federal funds purchased and securities sold under agreements to repurchase	2,989,641	2,926,758
Other borrowings	12,798	56
Other liabilities	458,302	443,694
Total liabilities	29,100,317	28,664,152
Commerce Bancshares, Inc. stockholders’ equity:
Common stock, $5 par value	692,944	676,054
Capital surplus	3,522,292	3,395,645
Retained earnings	131,826	45,494
Treasury Stock, Value	(48,001)	(48,401)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(507,690)	(758,911)
Equity, Attributable to Parent, Total	3,791,371	3,309,881
Non-controlling interest	23,401	22,594
Total equity	3,814,772	3,332,475
Total liabilities and equity	$ 32,915,089	$ 31,996,627