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Fair Value Accounting (Carrying and Estimated Fair Values of Financial Instruments Carried on Balance Sheet) (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financial assets |  |
Investment securities available for sale | $ 9,889,850 | $ 10,918,329
Loans held for sale | 917,679 | 750,642
Loans, net | 40,796,943 | 38,884,361
Financial liabilities |  |
Non-interest-bearing deposits | 16,876,710 | 16,392,653
Total deposits | 49,034,700 | 49,427,276
Federal funds purchased and securities sold under repurchase agreements | 345,242 | 264,133
Long-term debt | 1,804,104 | 1,204,229
Level 1 |  |
Financial assets |  |
Total cash, cash equivalents, and restricted cash | 1,665,060 | 3,009,853
Trading securities | 0 | 0
Investment securities available for sale | 386,584 | 117,838
Loans held for sale | 0 | 0
Other investments | 0 | 0
Mutual funds and mutual funds held in rabbi trusts | 41,254 | 43,657
Loans, net | 0 | 0
GGL/SBA loans servicing asset | 0 | 0
FRB and FHLB stock | 0 | 0
Derivative assets | 0 | 0
Financial liabilities |  |
Non-interest-bearing deposits | 0 | 0
Non-time interest-bearing deposits | 0 | 0
Time deposits | 0 | 0
Total deposits | 0 | 0
Federal funds purchased and securities sold under repurchase agreements | 345,242 | 264,133
Trading liability for short positions | 0 | 0
Short-term borrowings | 0 |
Long-term debt | 0 | 0
Mutual funds held in rabbi trusts | 25,995 | 27,205
Derivative liabilities | 0 | 0
Level 2 |  |
Financial assets |  |
Total cash, cash equivalents, and restricted cash | 0 | 0
Trading securities | 16,277 | 8,391
Investment securities available for sale | 9,503,266 | 10,800,491
Loans held for sale | 76,864 | 108,198
Other investments | 0 | 0
Mutual funds and mutual funds held in rabbi trusts | 0 | 0
Loans, net | 0 | 0
GGL/SBA loans servicing asset | 0 | 0
FRB and FHLB stock | 206,177 | 159,941
Derivative assets | 191,377 | 191,708
Financial liabilities |  |
Non-interest-bearing deposits | 16,876,710 | 16,392,653
Non-time interest-bearing deposits | 27,084,663 | 28,917,148
Time deposits | 5,052,977 | 4,125,673
Total deposits | 49,014,350 | 49,435,474
Federal funds purchased and securities sold under repurchase agreements | 0 | 0
Trading liability for short positions | 5,018 | 200
Short-term borrowings | 250,000 |
Long-term debt | 1,793,812 | 1,243,147
Mutual funds held in rabbi trusts | 0 | 0
Derivative liabilities | 339,722 | 95,067
Level 3 |  |
Financial assets |  |
Total cash, cash equivalents, and restricted cash | 0 | 0
Trading securities | 0 | 0
Investment securities available for sale | 0 | 0
Loans held for sale | 840,483 | 641,782
Other investments | 11,083 | 12,185
Mutual funds and mutual funds held in rabbi trusts | 0 | 0
Loans, net | 40,886,790 | 39,118,275
GGL/SBA loans servicing asset | 3,155 | 3,233
FRB and FHLB stock |  | 0
Derivative assets | 0 | 0
Financial liabilities |  |
Non-interest-bearing deposits | 0 | 0
Non-time interest-bearing deposits | 0 | 0
Time deposits | 0 | 0
Total deposits | 0 | 0
Federal funds purchased and securities sold under repurchase agreements | 0 | 0
Trading liability for short positions | 0 | 0
Short-term borrowings | 0 |
Long-term debt | 0 | 0
Mutual funds held in rabbi trusts | 0 | 0
Derivative liabilities | 4,993 | 3,535
Carrying Value |  |
Financial assets |  |
Total cash, cash equivalents, and restricted cash | 1,665,060 | 3,009,853
Trading securities | 16,277 | 8,391
Investment securities available for sale | 9,889,850 | 10,918,329
Loans held for sale |  | 750,642
Other investments | 11,083 | 12,185
Mutual funds and mutual funds held in rabbi trusts | 41,254 | 43,657
Loans, net | 40,796,943 | 38,884,361
GGL/SBA loans servicing asset | 3,155 | 3,233
FRB and FHLB stock | 206,177 | 159,941
Derivative assets | 191,377 | 191,708
Financial liabilities |  |
Non-interest-bearing deposits | 16,876,710 | 16,392,653
Non-time interest-bearing deposits | 27,084,663 | 28,917,148
Time deposits | 5,073,327 | 4,117,475
Total deposits | 49,034,700 | 49,427,276
Federal funds purchased and securities sold under repurchase agreements | 345,242 | 264,133
Trading liability for short positions | 5,018 | 200
Short-term borrowings | 250,000 |
Long-term debt | 1,804,104 | 1,204,229
Mutual funds held in rabbi trusts | 25,995 | 27,205
Derivative liabilities | 344,715 | 98,602
Fair Value |  |
Financial assets |  |
Total cash, cash equivalents, and restricted cash | 1,665,060 | 3,009,853
Trading securities | 16,277 | 8,391
Investment securities available for sale | 9,889,850 | 10,918,329
Loans held for sale | 917,347 | 749,980
Other investments | 11,083 | 12,185
Mutual funds and mutual funds held in rabbi trusts | 41,254 | 43,657
Loans, net | 40,886,790 | 39,118,275
GGL/SBA loans servicing asset | 3,155 | 3,233
FRB and FHLB stock | 206,177 | 159,941
Derivative assets | 191,377 | 191,708
Financial liabilities |  |
Non-interest-bearing deposits | 16,876,710 | 16,392,653
Non-time interest-bearing deposits | 27,084,663 | 28,917,148
Time deposits | 5,052,977 | 4,125,673
Total deposits | 49,014,350 | 49,435,474
Federal funds purchased and securities sold under repurchase agreements | 345,242 | 264,133
Trading liability for short positions | 5,018 | 200
Short-term borrowings | 250,000 |
Long-term debt | 1,793,812 | 1,243,147
Mutual funds held in rabbi trusts | 25,995 | 27,205
Derivative liabilities | $ 344,715 | $ 98,602

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