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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
Jun. 30, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 226,885 $ 109,301
Accumulated Amortization and Impairment (86,604) (74,623)
Net Carrying Amount 140,281 34,678
Core deposit    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 170,642 92,754
Accumulated Amortization and Impairment (69,819) (60,036)
Net Carrying Amount 100,823 32,718
Customer trust relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 56,243 16,547
Accumulated Amortization and Impairment (16,785) (14,587)
Net Carrying Amount $ 39,458 $ 1,960