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Fair Value Accounting (Carrying and Estimated Fair Values of Financial Instruments Carried on Balance Sheet) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financial assets |  |
Trading securities |  | $ 7,212
Investment securities available for sale | $ 7,566,525 | 6,778,670
Private equity investments |  | 19,389
GGL/SBA loans servicing asset |  | 3,040
Derivative assets |  | 140,016
Financial liabilities |  |
Non-interest-bearing deposits | 13,075,081 | 9,439,485
Total deposits | 44,665,904 | 38,405,504
Federal funds purchased and securities sold under repurchase agreements | 202,344 | 165,690
Other short-term borrowings | 400,000 | 1,753,560
Long-term debt | 1,628,385 | 2,153,897
Earnout liability |  | 11,016
Derivative liabilities |  | 37,071
Level 1 |  |
Financial assets |  |
Total cash, cash equivalents, restricted cash, and restricted cash equivalents | 1,985,363 | 1,186,918
Trading securities | 0 | 0
Investment securities available for sale | 20,254 | 19,855
Loans receivable held-for-sale | 0 | 0
Private equity investments | 0 | 15,502
Mutual funds and mutual funds held in rabbi trusts | 35,174 | 32,348
Loans, net | 0 | 0
GGL/SBA loans servicing asset | 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 | 202,344 | 165,690
Trading liability for short positions |  | 1,560
Other short-term borrowings | 0 | 0
Long-term debt | 0 | 0
Earnout liability | 0 | 0
Derivative liabilities | 0 | 0
Level 2 |  |
Financial assets |  |
Total cash, cash equivalents, restricted cash, and restricted cash equivalents | 0 | 0
Trading securities | 4,371 | 7,212
Investment securities available for sale | 7,544,471 | 6,756,710
Loans receivable held-for-sale |  | 115,173
Private equity 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
Derivative assets | 463,028 | 140,016
Financial liabilities |  |
Non-interest-bearing deposits | 13,075,081 | 9,439,485
Non-time interest-bearing deposits | 24,831,480 | 19,891,711
Time deposits | 6,797,139 | 9,112,459
Total deposits | 44,703,700 | 38,443,655
Federal funds purchased and securities sold under repurchase agreements | 0 | 0
Trading liability for short positions |  | 0
Other short-term borrowings | 400,000 | 1,752,000
Long-term debt | 1,687,448 | 2,185,717
Earnout liability | 0 | 0
Derivative liabilities | 178,508 | 34,732
Level 3 |  |
Financial assets |  |
Total cash, cash equivalents, restricted cash, and restricted cash equivalents | 0 | 0
Trading securities | 0 | 0
Investment securities available for sale | 1,800 | 2,105
Loans receivable held-for-sale | 458,716 | 0
Private equity investments | 958 | 3,887
Mutual funds and mutual funds held in rabbi trusts | 0 | 0
Loans, net | 38,923,265 | 36,931,256
GGL/SBA loans servicing asset | 3,100 | 3,040
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
Other short-term borrowings | 0 | 0
Long-term debt | 0 | 0
Earnout liability | 15,924 | 11,016
Derivative liabilities | 1,460 | 2,339
Carrying Value |  |
Financial assets |  |
Total cash, cash equivalents, restricted cash, and restricted cash equivalents | 1,985,363 | 1,186,918
Trading securities | 4,371 | 7,212
Investment securities available for sale | 7,566,525 | 6,778,670
Loans receivable held-for-sale | 745,160 | 115,173
Private equity investments | 958 | 19,389
Mutual funds and mutual funds held in rabbi trusts | 35,174 | 32,348
Loans, net | 38,946,047 | 36,881,048
GGL/SBA loans servicing asset | 3,100 | 3,040
Derivative assets | 463,028 | 140,016
Financial liabilities |  |
Non-interest-bearing deposits | 13,075,081 | 9,439,485
Non-time interest-bearing deposits | 24,831,480 | 19,891,711
Time deposits | 6,759,343 | 9,074,308
Total deposits | 44,665,904 | 38,405,504
Federal funds purchased and securities sold under repurchase agreements | 202,344 | 165,690
Trading liability for short positions |  | 1,560
Other short-term borrowings | 400,000 | 1,752,000
Long-term debt | 1,628,385 | 2,153,897
Earnout liability | 15,924 | 11,016
Derivative liabilities | 179,968 | 37,071
Fair Value |  |
Financial assets |  |
Total cash, cash equivalents, restricted cash, and restricted cash equivalents | 1,985,363 | 1,186,918
Trading securities | 4,371 | 7,212
Investment securities available for sale | 7,566,525 | 6,778,670
Loans receivable held-for-sale | 744,615 | 115,173
Private equity investments | 958 | 19,389
Mutual funds and mutual funds held in rabbi trusts | 35,174 | 32,348
Loans, net | 38,923,265 | 36,931,256
GGL/SBA loans servicing asset | 3,100 | 3,040
Derivative assets | 463,028 | 140,016
Financial liabilities |  |
Non-interest-bearing deposits | 13,075,081 | 9,439,485
Non-time interest-bearing deposits | 24,831,480 | 19,891,711
Time deposits | 6,797,139 | 9,112,459
Total deposits | 44,703,700 | 38,443,655
Federal funds purchased and securities sold under repurchase agreements | 202,344 | 165,690
Trading liability for short positions |  | 1,560
Other short-term borrowings | 400,000 | 1,752,000
Long-term debt | 1,687,448 | 2,185,717
Earnout liability | 15,924 | 11,016
Derivative liabilities | $ 179,968 | $ 37,071

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