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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Earnings Per Share [Table Text Block] |
(In thousands, except share and per share amounts) |  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |  |
Net income attributable to BOK Financial Corp. shareholders |  | $ | 166,421 |  |  | $ | 64,693 |  |  | $ | 312,481 |  |  | $ | 126,772 |
Less: Earnings allocated to participating securities |  | 1,170 |  |  | 397 |  |  | 2,107 |  |  | 740 |
Numerator for basic earnings per share – income available to common shareholders |  | 165,251 |  |  | 64,296 |  |  | 310,374 |  |  | 126,032 |
Effect of reallocating undistributed earnings of participating securities |  | 1 |  |  | — |  |  | — |  |  | — |
Numerator for diluted earnings per share – income available to common shareholders |  | $ | 165,252 |  |  | $ | 64,296 |  |  | $ | 310,374 |  |  | $ | 126,032 |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding |  | 69,302,245 |  |  | 70,307,606 |  |  | 69,442,239 |  |  | 70,410,707 |
Less: Participating securities included in weighted average shares outstanding |  | 486,579 |  |  | 431,563 |  |  | 466,496 |  |  | 410,842 |
Denominator for basic earnings per common share |  | 68,815,666 |  |  | 69,876,043 |  |  | 68,975,743 |  |  | 69,999,865 |
Dilutive effect of employee stock compensation plans 1 |  | 1,776 |  |  | 1,424 |  |  | 3,055 |  |  | 3,952 |
Denominator for diluted earnings per common share |  | 68,817,442 |  |  | 69,877,467 |  |  | 68,978,798 |  |  | 70,003,817 |
Basic earnings per share |  | $ | 2.40 |  |  | $ | 0.92 |  |  | $ | 4.50 |  |  | $ | 1.80 |
Diluted earnings per share |  | $ | 2.40 |  |  | $ | 0.92 |  |  | $ | 4.50 |  |  | $ | 1.80 |
1 Excludes employee stock options with exercise prices greater than current market price. |  | — |  |  | 22,238 |  |  | — |  |  | — |

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- References No definition available. + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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