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Goodwill and Other Intangible Assets (Summary of the Gross Carrying Amount and Accumulated Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Amortizable intangible assets: |  |
Gross Carrying Amount | $ 59,590 | $ 60,690
Accumulated Amortization | 33,510 | 31,183
Total | 26,080 | 29,507
Unamortizable intangible assets: |  |
Goodwill | 478,750 | 478,750
Intangibles before servicing assets |  |
Amortizable intangible assets: |  |
Total | 26,080 |
Customer lists |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 1,600 | 2,700
Accumulated Amortization | 1,227 | 2,167
Total | 373 | 533
Core deposit intangibles |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 57,890 | 57,890
Accumulated Amortization | 32,187 | 28,933
Total | 25,703 | 28,957
Other intangibles |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 100 | 100
Accumulated Amortization | 96 | 83
Total | $ 4 | $ 17

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