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Consolidated Statements of Earnings (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Interest revenue [Abstract] |  |  |  |
Loans | $ 215,438 | $ 293,332 | $ 458,656 | $ 573,204
Residential mortgage loans held for sale | 2,140 | 1,754 | 3,263 | 3,417
Trading Securities | 11,407 | 15,498 | 23,167 | 34,193
Investment securities | 3,000 | 2,905 | 6,121 | 6,939
Available for sale securities | 68,297 | 59,880 | 138,017 | 116,711
Fair value option securities | 4,110 | 7,503 | 15,818 | 12,740
Restricted equity securities | 1,880 | 6,516 | 7,774 | 12,861
Interest-bearing cash and cash equivalents | 112 | 3,432 | 2,505 | 6,829
Total interest revenue | 306,384 | 390,820 | 655,321 | 766,894
Interest expense [Abstract] |  |  |  |
Deposits | 17,745 | 43,183 | 63,904 | 80,600
Borrowed funds | 6,996 | 58,404 | 44,781 | 115,214
Subordinated debentures | 3,539 | 3,801 | 7,172 | 7,546
Total interest expense | 28,280 | 105,388 | 115,857 | 203,360
Net interest revenue | 278,104 | 285,432 | 539,464 | 563,534
Provision for credit losses | 135,321 | 5,000 | 229,092 | 13,000
Net interest revenue after provision for credit losses | 142,783 | 280,432 | 310,372 | 550,534
Total fees and commissions | 213,680 | 176,108 | 406,404 | 336,660
Other gains (losses), net | 6,768 | 3,480 | (3,973) | 6,456
Gain on derivatives, net | 21,885 | 11,150 | 40,305 | 15,817
Gain (loss) on fair value option securities, net | (14,459) | 9,853 | 53,934 | 19,518
Change in fair value of mortgage servicing rights | (761) | (29,555) | (89,241) | (50,221)
Gain on available for sale securities, net | 5,580 | 1,029 | 5,583 | 1,105
Total other operating revenue | 232,693 | 172,065 | 413,012 | 329,335
Other operating expense [Abstract] |  |  |  |
Personnel | 176,235 | 160,342 | 332,416 | 329,570
Business promotion | 1,935 | 10,142 | 8,150 | 18,016
Contributions to BOKF Foundation | 3,000 | 1,000 | 3,000 | 1,000
Professional fees and services | 12,161 | 13,002 | 25,109 | 29,141
Net occupancy and equipment | 30,675 | 26,880 | 56,736 | 56,401
Insurance | 5,156 | 6,454 | 10,136 | 11,293
Data processing and communications | 32,942 | 29,735 | 65,685 | 61,184
Printing, postage and supplies | 3,502 | 4,107 | 7,774 | 8,992
Net losses and operating expenses of repossessed assets | 1,766 | 580 | 3,297 | 2,576
Amortization of intangible assets | 5,190 | 5,138 | 10,284 | 10,329
Mortgage banking costs | 15,598 | 11,545 | 26,143 | 21,451
Other expense | 7,227 | 8,212 | 15,281 | 14,341
Total other operating expense | 295,387 | 277,137 | 564,011 | 564,294
Net income before taxes | 80,089 | 175,360 | 159,373 | 315,575
Federal and state income taxes | 15,803 | 37,580 | 33,103 | 67,530
Net income | 64,286 | 137,780 | 126,270 | 248,045
Net income (loss) attributable to non-controlling interests | (407) | 217 | (502) | (130)
Net income attributable to BOK Financial Corporation shareholders | $ 64,693 | $ 137,563 | $ 126,772 | $ 248,175
Dividends declared per share | $ 0.51 | $ 0.50 | $ 1.02 | $ 1.00
Earnings Per Share [Abstract] |  |  |  |
Basic | 0.92 | 1.93 | 1.80 | 3.47
Diluted | $ 0.92 | $ 1.93 | $ 1.80 | $ 3.46
Average shares used in computation: [Abstract] |  |  |  |
Basic | 69,876,043 | 70,887,063 | 69,999,865 | 71,135,414
Diluted | 69,877,467 | 70,902,033 | 70,003,817 | 71,151,558
Brokerage and trading revenue [Member] |  |  |  |
Total fees and commissions | $ 62,022 | $ 40,526 | $ 112,801 | $ 72,143
Transaction card revenue [Member] |  |  |  |
Total fees and commissions | 22,940 | 21,915 | 44,821 | 42,653
Fiduciary and asset management revenue [Member] |  |  |  |
Total fees and commissions | 41,257 | 45,025 | 85,715 | 88,383
Deposit service charges and fees [Member] |  |  |  |
Total fees and commissions | 22,046 | 28,074 | 48,176 | 56,317
Mortgage banking revenue [Member] |  |  |  |
Total fees and commissions | 53,936 | 28,131 | 91,103 | 51,965
Other revenue [Member] |  |  |  |
Total fees and commissions | $ 11,479 | $ 12,437 | $ 23,788 | $ 25,199

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- Definition Gain (loss) included in earning for the period related fair value option securities primarily held as an economic hedge of the changes in the fair value of mortgage servicing rights. + References No definition available. + Details
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