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Goodwill and Other Intangible Assets - Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 226,885 | $ 226,885
Accumulated Amortization and Impairment | (106,666) | (100,480)
Net Carrying Amount | 120,219 | 126,405
Core deposit |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 170,642 | 170,642
Accumulated Amortization and Impairment | (85,861) | (80,951)
Net Carrying Amount | 84,781 | 89,691
Customer trust relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 56,243 | 56,243
Accumulated Amortization and Impairment | (20,805) | (19,529)
Net Carrying Amount | $ 35,438 | $ 36,714

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