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Derivatives (Fair Values of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | $ 7,936,239 | $ 8,649,657
Fair Values, Assets |  | 110,734 | 6,908
Fair Values, Assets |  | $ 219,935 | $ 106,171
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  | Other Assets | Other Assets
Less: netting adjustments | [1] | $ (110,438) | $ (30,304)
Total derivate assets/liabilities |  | 109,497 | 75,867
Fair Values, Liabilities |  | 32,601 | 22,244
Fair Values, Liabilities | [2] | 285,592 | 96,580
Less: netting adjustments | [1],[2] | (81,471) | (61,534)
Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Total derivate assets/liabilities | [2] | 204,121 | 35,046
Derivatives Designated as Hedging Instruments [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 2,816,000 | 2,962,650
Fair Values, Assets |  | 45,802 | 28,022
Fair Values, Liabilities | [2] | 112,262 | 15,111
Derivatives Not Designated as Hedging Instruments [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 5,120,239 | 5,687,007
Fair Values, Assets |  | 174,133 | 78,149
Fair Values, Liabilities | [2] | 173,330 | 81,469
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 4,620,544 | 5,193,991
Fair Values, Assets |  | 172,242 | 75,819
Fair Values, Liabilities | [2] | 169,712 | 75,861
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 298,729 | 217,437
Fair Values, Assets |  | 1 | 11
Fair Values, Liabilities | [2] | 13 | 35
Derivatives Not Designated as Hedging Instruments [Member] | Forward Commitments to Sell Residential Mortgage Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 10,930 | 46,739
Fair Values, Assets |  | 8 | 1
Fair Values, Liabilities | [2] | 113 | 645
Derivatives Not Designated as Hedging Instruments [Member] | To Be Announced (TBA) Securities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 10,000 | 55,000
Fair Values, Assets |  | 78 | 15
Fair Values, Liabilities | [2] | 7 | 53
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate-Lock Commitments on Residential Mortgage Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 13,819 | 82,037
Fair Values, Assets |  | 161 | 1,525
Fair Values, Liabilities | [2] | 8 | 1
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 123,106 | 48,364
Fair Values, Assets |  | 1,643 | 778
Fair Values, Liabilities | [2] | 1,594 | 758
Derivatives Not Designated as Hedging Instruments [Member] | Visa Class B derivative contract [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 43,111 | 43,439
Fair Values, Liabilities | [2] | 1,883 | 4,116
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Variable Rate Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 2,100,000 | 1,125,000
Fair Values, Assets |  | 2,301 | 5,884
Fair Values, Liabilities | [2] | $ 112,262 | $ 4,421
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Variable Rate Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  | Other Assets | Other Assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities | Other Liabilities
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Securities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | $ 716,000 | $ 1,837,650
Fair Values, Assets |  | $ 43,501 | $ 22,138
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  | Other Assets | Other Assets
Fair Values, Liabilities | [2] |  | $ 10,690
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities | Other Liabilities
[1] | Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.
[2] | Derivative assets and liabilities are reported in other assets or other liabilities, respectively, in the consolidated balance sheets.

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