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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash Flows From Operating Activities: [Abstract] |  |
Net income | $ 247,426 | $ 314,132
Adjustments to reconcile net income to net cash used in operating activities: [Abstract] |  |
Provision for credit losses | 16,000 | 33,000
Change in fair value of mortgage servicing rights due to market assumption changes | (14,430) | (3,202)
Change in the fair value of mortgage servicing rights due to principal payments | 13,459 | 13,829
Net unrealized (gains) losses from derivative contracts | (108,051) | (25,310)
Share-based compensation | 10,062 | 11,114
Depreciation and amortization | 52,076 | 56,583
Net amortization of discounts and premiums | (20,111) | (8,733)
Net losses (gains) on financial instruments and other losses (gains), net | (16,615) | (11,617)
Net loss (gain) on mortgage loans held for sale | (4,613) | 2,153
Mortgage loans originated for sale | (379,214) | (353,409)
Proceeds from sale of mortgage loans held for sale | 334,578 | 332,944
Capitalized mortgage servicing rights | (6,970) | (6,603)
Charitable contributions to BOKF Foundation | 13,610 | 0
Change in trading and fair value option securities | (17,671) | (893,843)
Change in receivables | 264,352 | (82,491)
Change in other assets | 69,808 | 44,365
Change in other liabilities | 189,069 | 17,318
Net cash provided by (used in) operating activities | 642,765 | (559,770)
Cash Flows From Investing Activities: [Abstract] |  |
Proceeds from maturities or redemptions of investment securities | 113,747 | 140,043
Proceeds from maturities or redemptions of available for sale securities | 940,442 | 656,703
Purchases of investment securities | 0 | 2,504
Purchases of available for sale securities | (2,244,168) | (1,266,764)
Proceeds from sales of available for sale securities | 737,830 | 135,489
Change in amount receivable on unsettled available for sale securities transactions | 95,997 | (10,548)
Loans originated, net of principal collected | (651,931) | (678,700)
Net proceeds from derivative asset contracts | 15,651 | 156,205
Net change in restricted equity securities | (52,110) | (30,435)
Proceeds from disposition of assets | 12,600 | 29,136
Purchases of assets | (87,269) | (97,875)
Net cash provided by (used in) investing activities | (1,119,211) | (969,250)
Cash Flows From Financing Activities: [Abstract] |  |
Net change in demand deposits, transaction deposits and savings accounts | 1,770,030 | (2,430,397)
Net change in time deposits | 451,913 | 1,244,535
Net change in other borrowed funds | (1,490,267) | 2,208,867
Net payments on derivative liability contracts | (20,415) | (151,457)
Net change in derivative margin accounts | (188,326) | 707,266
Change in amount due on unsettled available for sale securities transactions | (154,203) | 139,688
Issuance of common and treasury stock, net | (3,630) | (4,695)
Repurchase of common stock | (89,779) | (67,066)
Dividends paid | (70,979) | (72,107)
Net cash provided by (used in) financing activities | 204,344 | 1,574,634
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total | (272,102) | 45,614
Cash and cash equivalents at beginning of period | 1,348,265 | 1,401,716
Cash and cash equivalents at end of period | 1,076,163 | 1,447,330
Supplemental Cash Flow Information: [Abstract] |  |
Cash paid for interest | 742,708 | 401,187
Cash paid for taxes | 39,008 | 123,821
Net loans and bank premises transferred to repossessed real estate and other assets | 77 | 225
Residential mortgage loans guaranteed by U.S. government agencies that became eligible for repurchase during the period | 8,263 | 7,768
Conveyance of other real estate owned guaranteed by U.S. government agencies | 1,840 | 2,569
Right-of-use assets obtained in exchange for operating lease liabilities | $ 18,236 | $ 64,899

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- Definition Change in amount receivable on unsettled security transactions. This is an investing cash flow. + References No definition available. + Details
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- Definition Represents the non-cash decrease in net pre-tax net income related to the change in fair value of mortgage servicing rights due to loan runoff + References No definition available. + Details
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- Definition Represents the non-cash increase in loans related to the right but not the obligation to repurchases loans previously sold into Ginnie Mae pools based on certain criteria and as such has effectively regained control of the asset and must recognize the loan on the balance sheet. + References No definition available. + Details
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- Definition Represents the combined realized net gain from sale of residential mortgage loans and the change in the unrealized net gain on mortgage loans held for sale during the period. + References No definition available. + Details
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-24 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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- Definition The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-2 + Details
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- Definition The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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- Definition Net cash inflow (outflow) of time deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481160/942-230-45-1 + Details
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- Definition Amount of increase (decrease) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 19 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-19 + Details
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-2 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-24 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-24 + Details
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- Definition The amount of cash paid for the origination of mortgages that are held for sale. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-21 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 + Details
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- Definition The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 230 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481160/942-230-45-1 + Details
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