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Goodwill and Core Deposit Intangibles - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Feb. 01, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]          
Impairment of goodwill       $ 0  
Goodwill [Line Items]          
Amortization of intangible assets   $ 4,100,000 $ 2,500,000 $ 7,700,000 $ 5,000,000
Weighted average useful lives of related deposits       12 years  
Core Deposits          
Goodwill [Line Items]          
Weighted average useful lives of related deposits 10 years     10 years