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Fair Value Accounting and Measurement (Financial Assets And Liabilities Accounted for Fair Value On Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | $ 4,589,099 | $ 5,910,999
Loans held for sale - Fair value option | [1] | 907 | 9,570
Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 4,589,099 | 5,910,999
Loans held for sale - Fair value option |  | 907 | 9,570
Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 167,896 | 157,536
Loans held for sale - Fair value option |  | 0 | 0
Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 4,421,203 | 5,753,463
Loans held for sale - Fair value option |  | 907 | 9,570
Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Loans held for sale - Fair value option |  | 0 | 0
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 2,759,710 | 3,745,601
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 2,759,710 | 3,745,601
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Asset-backed Securities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 327,353 | 463,063
Asset-backed Securities | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 327,353 | 463,063
Asset-backed Securities | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Asset-backed Securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 327,353 | 463,063
Asset-backed Securities | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
State and Municipal Securities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 834,073 | 997,291
State and Municipal Securities | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 834,073 | 997,291
State and Municipal Securities | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
State and Municipal Securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 834,073 | 997,291
State and Municipal Securities | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
U.S. Government Agency and government-sponsored enterprise securities | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 208,769 | 252,576
U.S. Government Agency and government-sponsored enterprise securities | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
U.S. Government Agency and government-sponsored enterprise securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 208,769 | 252,576
U.S. Government Agency and government-sponsored enterprise securities | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
US Government Securities |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 167,896 | 157,536
US Government Securities | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 167,896 | 157,536
US Government Securities | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 167,896 | 157,536
US Government Securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
US Government Securities | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Non-agency collateralized mortgage obligations |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 291,298 | 294,932
Non-agency collateralized mortgage obligations | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 291,298 | 294,932
Non-agency collateralized mortgage obligations | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Non-agency collateralized mortgage obligations | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 291,298 | 294,932
Non-agency collateralized mortgage obligations | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 0 | 0
Interest Rate Lock Commitments | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  |  | 356
Interest Rate Lock Commitments | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  |  | 0
Interest Rate Lock Commitments | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  |  | 0
Interest Rate Lock Commitments | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  |  | 356
Interest Rate Swap | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  | 40,289 | 24,257
Interest rate derivative liabilities, at fair value |  | 40,289 | 24,257
Interest Rate Swap | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  | 0 | 0
Interest rate derivative liabilities, at fair value |  | 0 | 0
Interest Rate Swap | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  | 40,289 | 24,257
Interest rate derivative liabilities, at fair value |  | 40,289 | 24,257
Interest Rate Swap | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Interest rate derivative assets, at fair value |  | 0 | 0
Interest rate derivative liabilities, at fair value |  | $ 0 | 0
Forward sales contracts | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative Liabilities |  |  | 27
Forward sales contracts | Fair Value, Inputs, Level 1 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative Liabilities |  |  | 0
Forward sales contracts | Fair Value, Inputs, Level 2 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative Liabilities |  |  | 27
Forward sales contracts | Fair Value, Inputs, Level 3 | Fair Value, Recurring |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative Liabilities |  |  | $ 0
[1] | Amounts represent loans for which the Company has elected the fair value option. The remaining loans held for sale at December 31, 2022 relate to our pending divestitures and are held at the lower of cost or market value.

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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