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Fair Value - Estimated fair value and related carrying amount, of the Company's financial instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financial liabilities: |  |
Other borrowings | $ 25,000 |
Carrying Amount |  |
Financial assets: |  |
Cash and cash equivalents | 6,404,512 | $ 4,609,255
Trading securities | 89,925 | 10,674
Investment securities | 5,719,031 | 4,446,657
Loans held for sale | 171,447 | 290,467
Loans, net of allowance for loan losses | 23,682,677 | 24,206,825
Accrued interest receivable | 99,138 | 107,601
Mortgage servicing rights | 57,351 | 43,820
Interest rate swap - non-designated hedge | 516,632 | 802,763
Other derivative financial instruments (mortgage banking related) | 9,513 | 11,136
Financial liabilities: |  |
Deposits | 33,242,369 | 30,693,882
Federal funds purchased and securities sold under agreements to repurchase | 862,429 | 779,666
Other borrowings | 351,548 | 390,179
Accrued interest payable | 4,774 | 7,103
Interest rate swap - non-designated hedge | 518,221 | 804,832
Fair Value |  |
Financial assets: |  |
Cash and cash equivalents | 6,404,512 | 4,609,255
Trading securities | 89,925 | 10,674
Investment securities | 5,698,158 | 4,448,300
Loans held for sale | 171,447 | 290,467
Loans, net of allowance for loan losses | 23,845,019 | 24,757,859
Accrued interest receivable | 99,138 | 107,601
Mortgage servicing rights | 57,351 | 43,820
Interest rate swap - non-designated hedge | 516,632 | 802,763
Other derivative financial instruments (mortgage banking related) | 9,513 | 11,136
Financial liabilities: |  |
Deposits | 33,254,282 | 30,719,416
Federal funds purchased and securities sold under agreements to repurchase | 862,429 | 779,666
Other borrowings | 350,466 | 386,126
Accrued interest payable | 4,774 | 7,103
Interest rate swap - non-designated hedge | 518,221 | 804,832
Commitments to extend credit | Fair Value |  |
Financial liabilities: |  |
Commitments to extend credit | 45,968 | 136,726
Quoted Prices In Active Markets for Identical Assets (Level 1) |  |
Financial assets: |  |
Cash and cash equivalents | 6,404,512 | 4,609,255
Investment securities | 160,607 | 160,443
Significant Other Observable Inputs (Level 2) |  |
Financial assets: |  |
Trading securities | 89,925 | 10,674
Investment securities | 5,537,551 | 4,287,857
Loans held for sale | 171,447 | 290,467
Accrued interest receivable | 16,015 | 12,952
Interest rate swap - non-designated hedge | 516,632 | 802,763
Other derivative financial instruments (mortgage banking related) | 9,513 | 11,136
Financial liabilities: |  |
Deposits | 33,254,282 | 30,719,416
Federal funds purchased and securities sold under agreements to repurchase | 862,429 | 779,666
Other borrowings | 350,466 | 386,126
Accrued interest payable | 4,774 | 7,103
Interest rate swap - non-designated hedge | 518,221 | 804,832
Significant Other Observable Inputs (Level 2) | Commitments to extend credit |  |
Financial liabilities: |  |
Commitments to extend credit | 45,968 | 136,726
Significant Unobservable Inputs (Level 3) |  |
Financial assets: |  |
Loans, net of allowance for loan losses | 23,845,019 | 24,757,859
Accrued interest receivable | 83,123 | 94,649
Mortgage servicing rights | $ 57,351 | $ 43,820

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- Definition The 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. Additionally, the element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. The item represents residential mortgage servicing rights as presented on the statement of financial position which are due to the entity as of the balance sheet date. + References No definition available. + Details
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