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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 | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Amortizable intangible assets: |  |  |
Gross Carrying Amount | $ 74,032 | $ 45,114 |
Accumulated Amortization | 34,770 | 32,439 |
Unamortizable intangible assets: |  |  |
Goodwill | 478,750 | 364,263 | $ 364,263
Customer lists |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 2,700 | 2,700 |
Accumulated Amortization | 1,927 | 1,847 |
Core deposit intangibles |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 57,890 | 29,050 |
Accumulated Amortization | 23,334 | 21,274 |
SBA servicing assets |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 13,342 | 13,264 |
Accumulated Amortization | 9,445 | 9,260 |
Other |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 100 | 100 |
Accumulated Amortization | $ 64 | $ 58 |

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