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Derivative Financial Instruments Notional Amounts and Fair Values of Derivative Financial Instruments (Details) $ in Thousands | Dec. 31, 2022 USD ($) Security | Dec. 31, 2021 USD ($) Security
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Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Gross Asset | $ 166,715 | $ 158,647
Derivative Liability, Fair Value, Gross Liability | $ (296,766) | $ (86,327)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 719 | 89
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 2,108,595 | $ 917,933
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ (256,382) | $ (13,925)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 63 | 119
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 477,373 | $ 91,336
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | (89,665) | (2,331)
Debt Securities, Available-for-sale, Unrealized Loss Position | 2,585,968 | 1,009,269
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (346,047) | $ (16,256)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 127 | 50
Estimated Fair Value, Less Than 12 Months | $ 504,922 | $ 762,923
Unrealized Losses, Less Than 12 Months | $ (38,304) | $ (25,539)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 53 | 0
Estimated Fair Value, 12 Months or Longer | $ 620,127 | $ 0
Unrealized Losses, 12 Months or Longer | (157,903) | 0
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value | 1,125,049 | 762,923
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss | $ (196,207) | $ (25,539)
U.S. Government securities |  |
Derivatives, Fair Value [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 1 | 2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 96,906 | $ 127,618
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ (2,814) | $ (213)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 2 | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 121,579 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | (4,841) | 0
Debt Securities, Available-for-sale, Unrealized Loss Position | 218,485 | 127,618
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (7,655) | $ (213)
Residential mortgage-backed securities |  |
Derivatives, Fair Value [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 81 | 7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 154,861 | $ 123,687
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ (18,301) | $ (2,388)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 5 | 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 55,293 | $ 16,669
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | (11,546) | (648)
Debt Securities, Available-for-sale, Unrealized Loss Position | 210,154 | 140,356
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (29,847) | $ (3,036)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 106 | 14
Estimated Fair Value, Less Than 12 Months | $ 246,667 | $ 205,969
Unrealized Losses, Less Than 12 Months | $ (14,275) | $ (7,067)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 14 | 0
Estimated Fair Value, 12 Months or Longer | $ 153,178 | $ 0
Unrealized Losses, 12 Months or Longer | (43,205) | 0
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value | 399,845 | 205,969
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss | $ (57,480) | $ (7,067)
Commercial mortgage-backed securities |  |
Derivatives, Fair Value [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 114 | 41
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 371,109 | $ 512,312
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ (38,845) | $ (9,534)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 20 | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 181,413 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | (40,237) | 0
Debt Securities, Available-for-sale, Unrealized Loss Position | 552,522 | 512,312
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (79,082) | $ (9,534)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security | 21 | 36
Estimated Fair Value, Less Than 12 Months | $ 258,255 | $ 556,954
Unrealized Losses, Less Than 12 Months | $ (24,029) | $ (18,472)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security | 39 | 0
Estimated Fair Value, 12 Months or Longer | $ 466,949 | $ 0
Unrealized Losses, 12 Months or Longer | (114,698) | 0
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value | 725,204 | 556,954
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss | (138,727) | (18,472)
Interest Rate Locks with Customers |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 70,836 | 261,428
Derivative Liability, Notional Amount | 4,939 | 2,549
Derivative Asset, Fair Value, Gross Asset | 182 | 2,326
Interest Rate Locks with Customers | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (51) | (23)
Forward Commitments |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 0 | 51,000
Derivative Liability, Notional Amount | 10,000 | 0
Derivative Asset, Fair Value, Gross Asset | 0 | 41
Forward Commitments | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (147) | 0
Interest Rate Derivatives with Customers |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 171,317 | 3,213,924
Derivative Liability, Notional Amount | 3,802,480 | 752,462
Derivative Asset, Fair Value, Gross Asset | 3,337 | 153,752
Interest Rate Derivatives with Customers | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (280,401) | (4,766)
Interest Rate Derivatives with Dealer Counterparties |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 3,802,480 | 752,462
Derivative Liability, Notional Amount | 171,317 | 3,213,924
Derivative Asset, Fair Value, Gross Asset | 161,956 | 4,766
Interest Rate Derivatives with Dealer Counterparties | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (3,703) | (79,889)
Interest Rate Derivatives used in Cash Flow Hedges |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 600,000 | 500,000
Derivative Liability, Notional Amount | 1,000,000 | 500,000
Derivative Asset, Fair Value, Gross Asset | 1,321 | 60
Interest Rate Derivatives used in Cash Flow Hedges | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (12,163) | (1,432)
Foreign Exchange Contracts with Customers |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 11,123 | 7,629
Derivative Liability, Notional Amount | 3,672 | 3,388
Derivative Asset, Fair Value, Gross Asset | 571 | 229
Foreign Exchange Contracts with Customers | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | (85) | (51)
Foreign Exchange Contracts with Correspondent Banks |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Notional Amount | 4,887 | 3,656
Derivative Liability, Notional Amount | 8,280 | 9,364
Derivative Asset, Fair Value, Gross Asset | 101 | 69
Foreign Exchange Contracts with Correspondent Banks | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Gross Liability | $ (499) | $ (240)

X
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