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Fair Value Measurement (Schedule Of A Description Of The Valuation Technique, Unobservable Input, And Qualitative Information For The Company's Assets And Liabilities Classified As Level 3) (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Residential mortgage servicing rights, at fair value | $ 109,243 | $ 185,017 | $ 123,615 | $ 92,907
Total liability derivatives | 261,091 | 271,205 |  |
Junior subordinated debentures, at fair value | 316,440 | 323,639 |  |
Residential mortgage servicing rights |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Residential mortgage servicing rights, at fair value | 109,243 |  |  |
Interest rate lock commitments |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Total liability derivatives | 137 |  |  |
Junior Subordinated Debentures |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Junior subordinated debentures, at fair value | 316,440 |  |  |
Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Residential mortgage servicing rights, at fair value | 109,243 | 185,017 |  |
Junior subordinated debentures, at fair value | $ 316,440 | $ 323,639 |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Weighted Average | Constant prepayment rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.0678 |  |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Weighted Average | Discount rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.1025 |  |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Minimum | Constant prepayment rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.0607 |  |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Minimum | Discount rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.0950 |  |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Maximum | Constant prepayment rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.2817 |  |  |
Level 3 | Discounted cash flow | Residential mortgage servicing rights | Maximum | Discount rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Servicing Asset, Measurement Input | 0.1605 |  |  |
Level 3 | Discounted cash flow | Junior Subordinated Debentures | Weighted Average | Credit spread |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt Instrument, Measurement Input | 0.0339 |  |  |
Level 3 | Discounted cash flow | Junior Subordinated Debentures | Minimum | Credit spread |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt Instrument, Measurement Input | 0.0225 |  |  |
Level 3 | Discounted cash flow | Junior Subordinated Debentures | Maximum | Credit spread |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Debt Instrument, Measurement Input | 0.0466 |  |  |
Level 3 | Internal pricing model | Interest rate lock commitments | Weighted Average | Pull-through rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Derivative Liability, Measurement Input | 0.8553 |  |  |
Level 3 | Internal pricing model | Interest rate lock commitments | Minimum | Pull-through rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Derivative Liability, Measurement Input | 0.6733 |  |  |
Level 3 | Internal pricing model | Interest rate lock commitments | Maximum | Pull-through rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Derivative Liability, Measurement Input | 1.0000 |  |  |

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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. 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