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Fair Value Measurements, Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | $ 4,255,732 |  |  | $ 4,899,090 |  |  |  |
Investment securities, net of allowance | 1,929,155 |  |  | 2,136,029 |  |  |  |
Investment securities, Allowance for Credit Loss | (208) | [1] |  | (223) | [2] |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 1,928,947 |  |  | 2,135,806 |  |  |  |
Available-for-sale securities | 13,481,030 |  |  | 12,851,600 |  |  |  |
Fair value option securities | 104,688 |  |  | 17,876 |  |  |  |
Residential mortgage loans held for sale | 100,060 |  |  | 77,561 |  |  |  |
Loans | 24,865,194 |  |  | 24,114,724 |  |  |  |
Allowance for loan losses | 277,692 |  | $ 277,049 | 280,035 |  | $ 284,456 | $ 287,826 | $ 277,123
Loans, net of allowance | 24,587,502 |  |  | 23,834,689 |  |  |  |
Mortgage servicing rights | 326,399 |  | 334,644 | 338,145 |  | 315,920 | 333,246 | 293,884
Derviative contracts, net of cash collateral, Assets, Fair value | 299,215 |  |  | 242,809 |  |  |  |
Time deposits | 3,762,878 |  |  | 3,535,410 |  |  |  |
Subordinated debentures | 0 |  |  | 131,200 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 306,796 |  |  | 237,582 |  |  |  |
Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 14,512,940 |  |  | 15,030,136 |  |  |  |
Allowance for loan losses | 137,058 |  | 144,398 | 145,153 |  | 152,361 | 150,737 | 141,232
Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 5,752,607 |  |  | 5,058,452 |  |  |  |
Allowance for loan losses | 89,243 |  | 85,107 | 91,072 |  | 91,538 | 96,256 | 94,718
Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 4,599,647 |  |  | 4,026,136 |  |  |  |
Allowance for loan losses | 51,391 |  | $ 47,544 | 43,810 |  | $ 40,557 | $ 40,833 | $ 41,173
U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,821 |  |  | 21,275 |  |  |  |
Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,133,011 |  |  | 4,792,695 |  |  |  |
Investment securities, net of allowance | 1,807,835 |  |  | 1,998,017 |  |  |  |
Available-for-sale securities | 9,406,920 |  |  | 8,639,389 |  |  |  |
Fair value option securities | 104,688 |  |  | 17,876 |  |  |  |
Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 74,613 |  |  | 62,230 |  |  |  |
Investment securities, net of allowance | 88,525 |  |  | 104,467 |  |  |  |
Available-for-sale securities | 188,921 |  |  | 225,568 |  |  |  |
U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 972 |  |  | 945 |  |  |  |
Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 739,972 |  |  | 781,209 |  |  |  |
Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 17,257 |  |  | 17,257 |  |  |  |
Available-for-sale securities | 3,143,772 |  |  | 3,204,016 |  |  |  |
Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 43,287 |  |  | 22,890 |  |  |  |
Investment securities, net of allowance | 15,538 |  |  | 16,288 |  |  |  |
Available-for-sale securities | 473 |  |  | 473 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Cash and due from banks | 880,721 |  |  | 1,043,969 |  |  |  |
Interest-bearing cash and cash equivalents | 545,322 |  |  | 390,732 |  |  |  |
Trading securities | 4,255,732 |  |  | 4,899,090 |  |  |  |
Investment securities, net of allowance | 1,837,855 |  |  | 2,017,448 |  |  |  |
Investment securities, Allowance for Credit Loss | (208) |  |  | (223) |  |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 1,837,647 |  |  | 2,017,225 |  |  |  |
Available-for-sale securities | 13,481,030 |  |  | 12,851,600 |  |  |  |
Residential mortgage loans held for sale | 100,060 |  |  | 77,561 |  |  |  |
Loans | 24,865,194 |  |  | 24,114,724 |  |  |  |
Allowance for loan losses | 277,692 |  |  | 280,035 |  |  |  |
Loans, net of allowance | 24,587,502 |  |  | 23,834,689 |  |  |  |
Mortgage servicing rights | 326,399 |  |  | 338,145 |  |  |  |
Derviative contracts, net of cash collateral, Assets, Fair value | 299,215 |  |  | 242,809 |  |  |  |
Deposits with no stated maturity | 34,737,140 |  |  | 34,655,820 |  |  |  |
Time deposits | 3,762,878 |  |  | 3,535,410 |  |  |  |
Other borrowed funds | 4,210,457 |  |  | 4,322,979 |  |  |  |
Subordinated debentures | 0 |  |  | 131,200 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 306,796 |  |  | 237,582 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 14,512,940 |  |  | 15,030,136 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 5,752,607 |  |  | 5,058,452 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 4,599,647 |  |  | 4,026,136 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,821 |  |  | 21,275 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,133,011 |  |  | 4,792,695 |  |  |  |
Investment securities, net of allowance | 1,717,351 |  |  | 1,880,473 |  |  |  |
Available-for-sale securities | 9,406,920 |  |  | 8,639,389 |  |  |  |
Fair value option securities | 104,688 |  |  | 17,876 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 74,613 |  |  | 62,230 |  |  |  |
Investment securities, net of allowance | 88,525 |  |  | 104,467 |  |  |  |
Available-for-sale securities | 188,921 |  |  | 225,568 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Other trading securities |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 43,287 |  |  | 22,890 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 972 |  |  | 945 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 739,972 |  |  | 781,209 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 16,441 |  |  | 16,220 |  |  |  |
Available-for-sale securities | 3,143,772 |  |  | 3,204,016 |  |  |  |
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 15,538 |  |  | 16,288 |  |  |  |
Available-for-sale securities | 473 |  |  | 473 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Cash and due from banks | 880,721 |  |  | 1,043,969 |  |  |  |
Interest-bearing cash and cash equivalents | 545,322 |  |  | 390,732 |  |  |  |
Trading securities | 4,255,732 |  |  | 4,899,090 |  |  |  |
Investment securities, net of allowance | 1,702,225 |  |  | 1,817,929 |  |  |  |
Investment securities, Allowance for Credit Loss | 0 |  |  | 0 |  |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 1,702,225 |  |  | 1,817,929 |  |  |  |
Available-for-sale securities | 13,481,030 |  |  | 12,851,600 |  |  |  |
Residential mortgage loans held for sale | 100,060 |  |  | 77,561 |  |  |  |
Loans | 24,693,237 |  |  | 23,709,546 |  |  |  |
Allowance for loan losses | 0 |  |  | 0 |  |  |  |
Loans, net of allowance | 24,693,237 |  |  | 23,709,546 |  |  |  |
Mortgage servicing rights | 326,399 |  |  | 338,145 |  |  |  |
Derviative contracts, net of cash collateral, Assets, Fair value | 299,215 |  |  | 242,809 |  |  |  |
Deposits with no stated maturity | 34,737,140 |  |  | 34,655,820 |  |  |  |
Time deposits | 3,750,005 |  |  | 3,522,242 |  |  |  |
Other borrowed funds | 4,210,486 |  |  | 4,323,174 |  |  |  |
Subordinated debentures | 0 |  |  | 121,057 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 306,796 |  |  | 237,582 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 14,533,675 |  |  | 14,903,851 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 5,676,057 |  |  | 4,933,396 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 4,483,505 |  |  | 3,872,299 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,821 |  |  | 21,275 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,133,011 |  |  | 4,792,695 |  |  |  |
Investment securities, net of allowance | 1,581,160 |  |  | 1,680,800 |  |  |  |
Available-for-sale securities | 9,406,920 |  |  | 8,639,389 |  |  |  |
Fair value option securities | 104,688 |  |  | 17,876 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 74,613 |  |  | 62,230 |  |  |  |
Investment securities, net of allowance | 90,285 |  |  | 106,489 |  |  |  |
Available-for-sale securities | 188,921 |  |  | 225,568 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Other trading securities |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 43,287 |  |  | 22,890 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 972 |  |  | 945 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 739,972 |  |  | 781,209 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 16,023 |  |  | 15,357 |  |  |  |
Available-for-sale securities | 3,143,772 |  |  | 3,204,016 |  |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] | Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 14,757 |  |  | 15,283 |  |  |  |
Available-for-sale securities | 473 |  |  | 473 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Cash and due from banks | 880,721 |  |  | 1,043,969 |  |  |  |
Interest-bearing cash and cash equivalents | 545,322 |  |  | 390,732 |  |  |  |
Trading securities | 0 |  |  | 1,494 |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Investment securities, Allowance for Credit Loss | 0 |  |  | 0 |  |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 972 |  |  | 945 |  |  |  |
Residential mortgage loans held for sale | 0 |  |  | 0 |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Allowance for loan losses | 0 |  |  | 0 |  |  |  |
Loans, net of allowance | 0 |  |  | 0 |  |  |  |
Mortgage servicing rights | 0 |  |  | 0 |  |  |  |
Derviative contracts, net of cash collateral, Assets, Fair value | 167 |  |  | 656 |  |  |  |
Deposits with no stated maturity | 0 |  |  | 0 |  |  |  |
Time deposits | 0 |  |  | 0 |  |  |  |
Other borrowed funds | 0 |  |  | 0 |  |  |  |
Subordinated debentures | 0 |  |  | 0 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 4,970 |  |  | 3,391 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 1,494 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair value option securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other trading securities |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 972 |  |  | 945 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Cash and due from banks | 0 |  |  | 0 |  |  |  |
Interest-bearing cash and cash equivalents | 0 |  |  | 0 |  |  |  |
Trading securities | 4,255,732 |  |  | 4,897,596 |  |  |  |
Investment securities, net of allowance | 1,623,228 |  |  | 1,723,114 |  |  |  |
Investment securities, Allowance for Credit Loss | 0 |  |  | 0 |  |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 1,623,228 |  |  | 1,723,114 |  |  |  |
Available-for-sale securities | 13,479,585 |  |  | 12,850,182 |  |  |  |
Residential mortgage loans held for sale | 93,801 |  |  | 70,564 |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Allowance for loan losses | 0 |  |  | 0 |  |  |  |
Loans, net of allowance | 0 |  |  | 0 |  |  |  |
Mortgage servicing rights | 0 |  |  | 0 |  |  |  |
Derviative contracts, net of cash collateral, Assets, Fair value | 299,048 |  |  | 242,153 |  |  |  |
Deposits with no stated maturity | 0 |  |  | 0 |  |  |  |
Time deposits | 0 |  |  | 0 |  |  |  |
Other borrowed funds | 0 |  |  | 0 |  |  |  |
Subordinated debentures | 0 |  |  | 121,057 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 301,826 |  |  | 234,191 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,821 |  |  | 19,781 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 4,133,011 |  |  | 4,792,695 |  |  |  |
Investment securities, net of allowance | 1,581,160 |  |  | 1,680,800 |  |  |  |
Available-for-sale securities | 9,406,920 |  |  | 8,639,389 |  |  |  |
Fair value option securities | 104,688 |  |  | 17,876 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 74,613 |  |  | 62,230 |  |  |  |
Investment securities, net of allowance | 11,288 |  |  | 11,674 |  |  |  |
Available-for-sale securities | 188,921 |  |  | 225,568 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other trading securities |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 43,287 |  |  | 22,890 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 739,972 |  |  | 781,209 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 16,023 |  |  | 15,357 |  |  |  |
Available-for-sale securities | 3,143,772 |  |  | 3,204,016 |  |  |  |
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 14,757 |  |  | 15,283 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Cash and due from banks | 0 |  |  | 0 |  |  |  |
Interest-bearing cash and cash equivalents | 0 |  |  | 0 |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Investment securities, net of allowance | 78,997 |  |  | 94,815 |  |  |  |
Investment securities, Allowance for Credit Loss | 0 |  |  | 0 |  |  |  |
Investment Securities, Amortized Cost, After Allowance for Credit Loss | 78,997 |  |  | 94,815 |  |  |  |
Available-for-sale securities | 473 |  |  | 473 |  |  |  |
Residential mortgage loans held for sale | 6,259 |  |  | 6,997 |  |  |  |
Loans | 24,693,237 |  |  | 23,709,546 |  |  |  |
Allowance for loan losses | 0 |  |  | 0 |  |  |  |
Loans, net of allowance | 24,693,237 |  |  | 23,709,546 |  |  |  |
Mortgage servicing rights | 326,399 |  |  | 338,145 |  |  |  |
Derviative contracts, net of cash collateral, Assets, Fair value | 0 |  |  | 0 |  |  |  |
Deposits with no stated maturity | 34,737,140 |  |  | 34,655,820 |  |  |  |
Time deposits | 3,750,005 |  |  | 3,522,242 |  |  |  |
Other borrowed funds | 4,210,486 |  |  | 4,323,174 |  |  |  |
Subordinated debentures | 0 |  |  | 0 |  |  |  |
Derivative contracts, net of cash collateral, Liabilities, Fair Value | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 14,533,675 |  |  | 14,903,851 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial real estate [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 5,676,057 |  |  | 4,933,396 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Loans to individuals [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Loans | 4,483,505 |  |  | 3,872,299 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. government securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair value option securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Municipal securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Investment securities, net of allowance | 78,997 |  |  | 94,815 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other trading securities |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Trading securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | U.S. Treasury [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Residential non-agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Commercial agency mortgage-backed securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | 0 |  |  | 0 |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other debt securities [Member] |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Investment securities, net of allowance | 0 |  |  | 0 |  |  |  |
Available-for-sale securities | $ 473 |  |  | $ 473 |  |  |  |
[1] | Carrying value includes $91 million of net unrealized loss which remains in AOCI in the Consolidated Balance Sheets related to certain securities transferred during the second quarter of 2022 from the AFS securities portfolio to the investment securities portfolio.
[2] | Carrying value includes $119 million of net unrealized loss which remains in AOCI in the Consolidated Balance Sheets related to certain securities transferred during the second quarter of 2022 from the AFS securities portfolio to the investment securities portfolio.

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. May be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. May be used in both the balance sheet and disclosure in the same submission. Represents time deposits with no stated maturity as presented on the statement of financial position. + References No definition available. + Details
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- Definition Fair value option securities represent securities the Company has elected to carry at fair value and separately identified on the balance sheet with changes in fair value recognized in earnings as they occur. Certain residential mortgage-backed securities issued by US government agencies are held as an economic hedge of changes in the fair value of mortgage servicing rights and related derivative contracts. In addition, other securities may be held to manage interest rate risk or for deferred compensation purposes. Securities held for interest rate risk management may be economically hedged by derivative contracts not designated as hedging instruments effectively modify these fixed rate securities into variable rate securities. + References No definition available. + Details
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- Definition Represents money market or interest-bearing cash accounts held in other financial institutions (including the Federal Reserve); federal funds sold to other depository institutions, securities brokers or securities dealers and securities purchased under agreements to resell. + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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