v3.26.1
Consolidated Statements of Earnings (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Interest revenue [Abstract]    
Loans $ 397,173 $ 396,416
Residential mortgage loans held for sale 1,056 975
Trading securities 64,462 73,739
Investment securities 6,126 6,983
Available-for-sale securities 133,905 127,509
Fair value option securities 1,389 178
Restricted equity securities 6,681 6,541
Interest-bearing cash and cash equivalents 5,133 6,229
Total interest and dividend revenue 615,925 618,570
Interest expense, Operating [Abstract]    
Deposits 209,198 241,072
Borrowed funds 58,082 59,163
Subordinated debentures 6,091 2,084
Total interest expense 273,371 302,319
Net interest and dividend income 342,554 316,251
Provision for credit losses 0 0
Net interest and dividend income after provision for credit losses 342,554 316,251
Total fees and commissions revenue 209,777 184,116
Other losses, net (216) (725)
Gain (loss) on derivatives, net (4,374) 9,565
Gain (loss) on fair value option securities, net (2,074) 325
Change in fair value of mortgage servicing rights 8,155 (7,240)
Total other operating revenue 211,268 186,041
Noninterest Expense [Abstract]    
Personnel 211,174 214,185
Business promotion 9,226 8,818
Professional fees and services 14,295 13,269
Net occupancy and equipment 33,182 32,992
FDIC and other insurance 5,685 6,587
FDIC special assessment 0 523
Data processing and communications 51,768 47,578
Printing, postage, and supplies 3,679 3,639
Amortization of intangible assets 2,443 2,652
Mortgage banking costs 11,757 7,689
Other expense 10,957 9,597
Total other operating expense 354,166 347,529
Net income before taxes 199,656 154,763
Federal and state income taxes 43,936 34,992
Net income 155,720 119,771
Net loss attributable to non-controlling interests (46) (6)
Net income attributable to BOK Financial Corporation shareholders $ 155,766 $ 119,777
Earnings Per Share [Abstract]    
Earnings Per Share, Basic $ 2.58 $ 1.86
Earnings Per Share, Diluted $ 2.58 $ 1.86
Average shares used in computation: [Abstract]    
Basic (in shares) 60,033,282 63,547,510
Diluted (in shares) 60,033,282 63,547,510
Dividends declared per share $ 0.63 $ 0.57
Brokerage and trading revenue [Member]    
Total fees and commissions revenue $ 43,606 $ 31,068
Transaction card revenue [Member]    
Total fees and commissions revenue 31,965 27,092
Fiduciary and asset management revenue [Member]    
Total fees and commissions revenue 66,481 60,972
Deposit service charges and fees [Member]    
Total fees and commissions revenue 32,218 30,275
Mortgage banking revenue [Member]    
Total fees and commissions revenue 20,963 19,815
Other revenue [Member]    
Total fees and commissions revenue $ 14,544 $ 14,894