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Fair Value Measurement (Schedule Of Reconciliation Of Assets And Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) On A Recurring Basis) (Details) - Level 3 - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Junior subordinated debentures, at fair value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Change in unrealized gains or losses for the period included in earnings for assets and liabilities held at end of period | $ (7,583) | $ (6,679)
Change in unrealized gains or losses for the period included in other comprehensive income for assets and liabilities held at end of period | 6,453 | 25,812
Junior subordinated debentures, at fair value |  |
Beginning Balance | (316,440) | (323,639)
Change included in earnings | (7,583) | (6,679)
Change in fair values included in comprehensive income/loss | 6,453 | 25,812
Purchases and issuances | 0 | 0
Sales and settlements | 8,026 | 6,785
Ending Balance | (309,544) | (297,721)
Interest rate lock commitments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Change in unrealized gains or losses for the period included in earnings for assets and liabilities held at end of period | 16 | 137
Change in unrealized gains or losses for the period included in other comprehensive income for assets and liabilities held at end of period | 0 | 0
Interest rate lock commitments, net |  |
Beginning Balance | (137) | 32
Change included in earnings | (16) | (32)
Change in fair values included in comprehensive income/loss | 0 | 0
Purchases and issuances | 47 | 338
Sales and settlements | 122 | (201)
Ending Balance | 16 | 137
Residential mortgage servicing rights |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Change in unrealized gains or losses for the period included in earnings for assets and liabilities held at end of period | 3,117 | (2,937)
Change in unrealized gains or losses for the period included in other comprehensive income for assets and liabilities held at end of period | 0 | 0
Residential mortgage servicing rights |  |
Beginning balance | 109,243 | 185,017
Change included in earnings | (36) | (7,818)
Change in fair values included in comprehensive income/loss | 0 | 0
Purchases and issuances | 1,237 | 1,601
Sales and settlements | 0 | 0
Ending balance | $ 110,444 | $ 178,800

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