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Consolidated Statements of Earnings - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Interest and dividend revenue [Abstract] |  |  |
Loans | $ 1,630,620 | $ 976,653 | $ 769,357
Residential mortgage loans held for sale | 4,341 | 6,027 | 5,465
Trading securities | 215,994 | 115,048 | 155,989
Investment securities | 33,822 | 24,072 | 10,430
Available for sale securities | 387,891 | 248,323 | 230,383
Fair value option securities | 7,760 | 2,145 | 1,542
Restricted equity securities | 29,683 | 8,282 | 5,703
Interest-bearing cash and cash equivalents | 32,353 | 11,552 | 1,060
Total interest revenue | 2,342,464 | 1,392,102 | 1,179,929
Interest Expense [Abstract] |  |  |
Deposits | 626,597 | 121,749 | 33,484
Borrowed funds | 434,735 | 52,483 | 17,877
Subordinated debentures | 8,952 | 6,490 | 10,535
Total interest expense | 1,070,284 | 180,722 | 61,896
Net interest and dividend revenue | 1,272,180 | 1,211,380 | 1,118,033
Provision for credit losses | 46,000 | 30,000 | (100,000)
Net interest and dividend revenue after provision for credit losses | 1,226,180 | 1,181,380 | 1,218,033
Total fees and commissions | 781,118 | 657,213 | 668,309
Other gains, net | 56,795 | 123 | 63,742
Loss on derivatives, net | (9,921) | (73,011) | (19,378)
Loss on fair value option securities, net | (4,292) | (20,358) | (2,239)
Change in fair value of mortgage servicing rights | (3,115) | 80,261 | 41,637
Gain (loss) on available for sale securities, net | (30,636) | (971) | 3,704
Total other operating revenue | 789,949 | 643,257 | 755,775
Other operating expense [Abstract] |  |  |
Personnel | 766,610 | 670,918 | 695,382
Business promotion | 31,796 | 26,435 | 16,289
Charitable contributions to BOKF Foundation | 2,707 | 2,500 | 9,000
Professional fees and services | 55,337 | 56,342 | 50,906
Net occupancy and equipment | 121,502 | 116,867 | 108,587
FDIC and other insurance | 30,780 | 17,994 | 15,881
FDIC special assessment | 43,773 | 0 | 0
Data processing and communications | 181,365 | 165,907 | 151,614
Printing, postage and supplies | 15,225 | 15,857 | 14,218
Amortization of intangible assets | 13,882 | 15,692 | 18,311
Mortgage banking costs | 30,524 | 35,834 | 42,698
Other expense | 39,380 | 40,134 | 54,822
Total other operating expense | 1,332,881 | 1,164,480 | 1,177,708
Net income before taxes | 683,248 | 660,157 | 796,100
Federal and state income taxes | 152,115 | 139,864 | 179,775
Net income | 531,133 | 520,293 | 616,325
Net income (loss) attributable to Non-controlling interests | 387 | 20 | (1,796)
Net income attributable to BOK Financial Corporation shareholders | $ 530,746 | $ 520,273 | $ 618,121
Earnings per share: [Abstract] |  |  |
Basic (in dollars per share) | $ 8.02 | $ 7.68 | $ 8.95
Diluted (in dollars per share) | $ 8.02 | $ 7.68 | $ 8.95
Average shares used in computation: [Abstract] |  |  |
Basic (in shares) | 65,651,569 | 67,212,728 | 68,591,920
Diluted (in shares) | 65,651,569 | 67,212,735 | 68,594,322
Dividends declared per share (in dollars per share) | $ 2.17 | $ 2.13 | $ 2.09
Brokerage and trading revenue [Member] |  |  |
Total fees and commissions | $ 240,610 | $ 140,978 | $ 112,989
Transaction card revenue [Member] |  |  |
Total fees and commissions | 106,858 | 104,266 | 96,983
Fiduciary and asset management revenue [Member] |  |  |
Total fees and commissions | 207,318 | 196,326 | 178,274
Deposit service charges and fees [Member] |  |  |
Total fees and commissions | 108,514 | 110,636 | 104,217
Mortgage banking revenue [Member] |  |  |
Total fees and commissions | 55,698 | 49,365 | 105,896
Other revenue [Member] |  |  |
Total fees and commissions | $ 62,120 | $ 55,642 | $ 69,950

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