v3.26.1
Reportable Segments (Tables)
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Reportable Segments [Table Text Block]
Reportable segments reconciliation to the Consolidated Financial Statements for the three months ended June 30, 2026 is as follows (in thousands):
Commercial Banking
Consumer Banking
Wealth
Management		Segment TotalFunds Management and Other
BOK
Financial
Corporation
Net interest income from external sources$249,695 $18,073 $26,090 $293,858 $57,972 $351,830 
Net interest income (expense) from internal sources(70,703)39,839 19,288 (11,576)11,576 — 
Net interest income178,992 57,912 45,378 282,282 69,548 351,830 
Net loans charged off and provision for credit losses(145)1,118 (5)968 (968)— 
Net interest income after provision for credit losses179,137 56,794 45,383 281,314 70,516 351,830 
Other operating revenue65,700 36,823 101,104 203,627 33,945 237,572 
Personnel expense50,042 24,715 66,332 141,089 73,005 214,094 
Non-personnel expense32,049 38,721 27,866 98,636 48,949 147,585 
Total other operating expense
82,091 63,436 94,198 239,725 121,954 361,679 
Corporate allocations16,586 16,626 17,312 50,524 (50,524)— 
Net income before taxes$146,160 $13,555 $34,977 $194,692 $33,031 $227,723 
Average assets$23,375,564 $8,648,052 $11,219,080 $43,242,696 $11,315,402 $54,558,098 
Reportable segments reconciliation to the Consolidated Financial Statements for the six months ended June 30, 2026 is as follows (in thousands):
Commercial BankingConsumer BankingWealth
Management		Segment TotalFunds Management and OtherBOK
Financial
Consolidated
Net interest income from external sources$491,012 $35,861 $45,957 $572,830 $121,554 $694,384 
Net interest income (expense) from internal sources(138,547)78,040 42,395 (18,112)18,112 — 
Net interest income352,465 113,901 88,352 554,718 139,666 694,384 
Net loans charged off and provision for credit losses255 2,626 491 3,372 (3,372)— 
Net interest income after provision for credit losses352,210 111,275 87,861 551,346 143,038 694,384 
Other operating revenue125,768 79,689 211,491 416,948 31,892 448,840 
Personnel expense101,309 50,181 135,745 287,235 138,033 425,268 
Non-personnel expense63,090 76,748 56,622 196,460 94,117 290,577 
Total other operating expense164,399 126,929 192,367 483,695 232,150 715,845 
Corporate allocations32,632 31,312 34,467 98,411 (98,411)— 
Net income before taxes$280,947 $32,723 $72,518 $386,188 $41,191 $427,379 
Average assets$23,029,437 $8,550,763 $11,294,463 $42,874,663 $10,969,855 $53,844,518 
Reportable segments reconciliation to the Consolidated Financial Statements for the three months ended June 30, 2025 is as follows (in thousands):
Commercial Banking
Consumer Banking
Wealth
Management		Segment TotalFunds Management and Other
BOK
Financial
Corporation
Net interest income from external sources$235,765 $13,463 $25,654 $274,882 $53,284 $328,166 
Net interest income (expense) from internal sources(59,939)44,651 19,190 3,902 (3,902)— 
Net interest income175,826 58,114 44,844 278,784 49,382 328,166 
Net loans charged off and provision for credit losses29 1,018 (7)1,040 (1,040)— 
Net interest income after provision for credit losses175,797 57,096 44,851 277,744 50,422 328,166 
Other operating revenue64,432 38,165 103,650 206,247 851 207,098 
Personnel expense50,335 25,527 66,309 142,171 72,540 214,711 
Non-personnel expense30,256 29,949 26,972 87,177 52,615 139,792 
Total other operating expense
80,591 55,476 93,281 229,348 125,155 354,503 
Corporate allocations19,596 15,039 14,471 49,106 (49,106)— 
Net income before taxes$140,042 $24,746 $40,749 $205,537 $(24,776)$180,761 
Average assets$21,318,236 $8,310,875 $11,571,187 $41,200,298 $11,086,654 $52,286,952 
Reportable segments reconciliation to the Consolidated Financial Statements for the six months ended June 30, 2025 is as follows (in thousands):
Commercial BankingConsumer BankingWealth
Management		Segment TotalFunds Management and OtherBOK
Financial
Consolidated
Net interest income from external sources$467,188 $22,203 $39,596 $528,987 $115,430 $644,417 
Net interest income (expense) from internal sources(113,104)93,163 49,750 29,809 (29,809)— 
Net interest income354,084 115,366 89,346 558,796 85,621 644,417 
Net loans charged off and provision for credit losses177 2,535 (15)2,697 (2,697)— 
Net interest income after provision for credit losses353,907 112,831 89,361 556,099 88,318 644,417 
Other operating revenue119,953 77,223 199,986 397,162 (4,023)393,139 
Personnel expense99,909 51,364 133,554 284,827 144,069 428,896 
Non-personnel expense59,161 61,348 53,993 174,502 98,634 273,136 
Total other operating expense159,070 112,712 187,547 459,329 242,703 702,032 
Corporate allocations36,650 30,474 28,325 95,449 (95,449)— 
Net income before taxes$278,140 $46,868 $73,475 $398,483 $(62,959)$335,524 
Average assets$21,359,263 $8,256,649 $11,469,873 41,085,785 $10,554,734 $51,640,519