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Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Net interest revenue from external sources | $ 274,018 | $ 280,309 | $ 542,429 | $ 560,729
Net interest revenue (expense) from internal sources | 0 | 0 | 0 | 0
Net interest revenue | 274,018 | 280,309 | 542,429 | 560,729
Provision for credit losses | 0 | (35,000) | 0 | (60,000)
Net interest revenue after provision for credit losses | 274,018 | 315,309 | 542,429 | 620,729
Other operating revenue | 168,617 | 191,446 | 256,473 | 368,500
Other operating expense | 273,655 | 291,152 | 551,273 | 586,936
Net direct contribution | 168,980 | 215,603 | 247,629 | 402,293
Gain (loss) on financial instruments, net | 0 | 0 | 0 | 0
Change in fair value of mortgage servicing rights | 0 | 0 | 0 | 0
Gain (loss) on repossessed assets, net | 0 | 0 | 0 | 0
Corporate expense allocations | 0 | 0 | 0 | 0
Net income before taxes | 168,980 | 215,603 | 247,629 | 402,293
Federal and state income taxes | 36,122 | 48,496 | 52,319 | 90,878
Net income | 132,858 | 167,107 | 195,310 | 311,415
Net income (loss) attributable to non-controlling interests | 12 | 686 | (24) | (1,066)
Net income attributable to BOK Financial Corp. shareholders | 132,846 | 166,421 | 195,334 | 312,481
Average assets | 47,288,534 | 50,196,922 | 48,915,764 | 50,253,463
Operating Segments [Member] | Commercial [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest revenue from external sources | 172,974 | 151,942 | 320,564 | 307,741
Net interest revenue (expense) from internal sources | (6,452) | (21,041) | (17,031) | (46,835)
Net interest revenue | 166,522 | 130,901 | 303,533 | 260,906
Provision for credit losses | (1,502) | 16,268 | 3,841 | 30,253
Net interest revenue after provision for credit losses | 168,024 | 114,633 | 299,692 | 230,653
Other operating revenue | 61,688 | 65,269 | 119,115 | 111,848
Other operating expense | 70,009 | 71,351 | 135,123 | 138,330
Net direct contribution | 159,703 | 108,551 | 283,684 | 204,171
Gain (loss) on financial instruments, net | 61 | 34 | (143) | 67
Change in fair value of mortgage servicing rights | 0 | 0 | 0 | 0
Gain (loss) on repossessed assets, net | (4,515) | 3,565 | (2,722) | 16,302
Corporate expense allocations | 16,634 | 12,512 | 32,880 | 25,246
Net income before taxes | 138,615 | 99,638 | 247,939 | 195,294
Federal and state income taxes | 33,818 | 27,006 | 60,798 | 52,989
Net income | 104,797 | 72,632 | 187,141 | 142,305
Net income (loss) attributable to non-controlling interests | 0 | 0 | 0 | 0
Net income attributable to BOK Financial Corp. shareholders | 104,797 | 72,632 | 187,141 | 142,305
Average assets | 29,269,712 | 28,160,594 | 29,545,278 | 28,104,137
Operating Segments [Member] | Consumer [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest revenue from external sources | 16,784 | 17,552 | 33,699 | 34,238
Net interest revenue (expense) from internal sources | 17,002 | 7,393 | 27,294 | 11,681
Net interest revenue | 33,786 | 24,945 | 60,993 | 45,919
Provision for credit losses | 1,196 | 425 | 2,308 | 1,561
Net interest revenue after provision for credit losses | 32,590 | 24,520 | 58,685 | 44,358
Other operating revenue | 30,089 | 37,714 | 64,050 | 89,996
Other operating expense | 52,660 | 52,453 | 101,449 | 108,076
Net direct contribution | 10,019 | 9,781 | 21,286 | 26,278
Gain (loss) on financial instruments, net | (15,860) | 17,137 | (73,755) | (12,479)
Change in fair value of mortgage servicing rights | 17,485 | (13,041) | 66,595 | 20,833
Gain (loss) on repossessed assets, net | 93 | 0 | 138 | 41
Corporate expense allocations | 10,120 | 11,599 | 22,200 | 23,073
Net income before taxes | 1,617 | 2,278 | (7,936) | 11,600
Federal and state income taxes | 378 | 580 | (1,858) | 2,954
Net income | 1,239 | 1,698 | (6,078) | 8,646
Net income (loss) attributable to non-controlling interests | 0 | 0 | 0 | 0
Net income attributable to BOK Financial Corp. shareholders | 1,239 | 1,698 | (6,078) | 8,646
Average assets | 10,338,191 | 10,087,488 | 10,306,218 | 9,922,431
Operating Segments [Member] | Wealth Management [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest revenue from external sources | 39,412 | 52,966 | 95,643 | 101,520
Net interest revenue (expense) from internal sources | (1,665) | (673) | (2,130) | (873)
Net interest revenue | 37,747 | 52,293 | 93,513 | 100,647
Provision for credit losses | (60) | (54) | (131) | (83)
Net interest revenue after provision for credit losses | 37,807 | 52,347 | 93,644 | 100,730
Other operating revenue | 86,761 | 79,149 | 111,779 | 145,272
Other operating expense | 76,393 | 79,518 | 151,012 | 158,187
Net direct contribution | 48,175 | 51,978 | 54,411 | 87,815
Gain (loss) on financial instruments, net | 0 | 0 | 0 | 0
Change in fair value of mortgage servicing rights | 0 | 0 | 0 | 0
Gain (loss) on repossessed assets, net | 0 | 0 | 0 | 0
Corporate expense allocations | 12,503 | 10,352 | 24,575 | 20,249
Net income before taxes | 35,672 | 41,626 | 29,836 | 67,566
Federal and state income taxes | 8,385 | 10,638 | 7,070 | 17,281
Net income | 27,287 | 30,988 | 22,766 | 50,285
Net income (loss) attributable to non-controlling interests | 0 | 0 | 0 | 0
Net income attributable to BOK Financial Corp. shareholders | 27,287 | 30,988 | 22,766 | 50,285
Average assets | 16,902,721 | 19,201,041 | 19,101,045 | 18,924,987
Funds Management and Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest revenue from external sources | 44,848 | 57,849 | 92,523 | 117,230
Net interest revenue (expense) from internal sources | (8,885) | 14,321 | (8,133) | 36,027
Net interest revenue | 35,963 | 72,170 | 84,390 | 153,257
Provision for credit losses | 366 | (51,639) | (6,018) | (91,731)
Net interest revenue after provision for credit losses | 35,597 | 123,809 | 90,408 | 244,988
Other operating revenue | (9,921) | 9,314 | (38,471) | 21,384
Other operating expense | 74,593 | 87,830 | 163,689 | 182,343
Net direct contribution | (48,917) | 45,293 | (111,752) | 84,029
Gain (loss) on financial instruments, net | 15,799 | (17,171) | 73,898 | 12,412
Change in fair value of mortgage servicing rights | (17,485) | 13,041 | (66,595) | (20,833)
Gain (loss) on repossessed assets, net | 4,422 | (3,565) | 2,584 | (16,343)
Corporate expense allocations | (39,257) | (34,463) | (79,655) | (68,568)
Net income before taxes | (6,924) | 72,061 | (22,210) | 127,833
Federal and state income taxes | (6,459) | 10,272 | (13,691) | 17,654
Net income | (465) | 61,789 | (8,519) | 110,179
Net income (loss) attributable to non-controlling interests | 12 | 686 | (24) | (1,066)
Net income attributable to BOK Financial Corp. shareholders | (477) | 61,103 | (8,495) | 111,245
Average assets | $ (9,222,090) | $ (7,252,201) | $ (10,036,777) | $ (6,698,092)

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