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Goodwill and Other Intangible Assets - Schedule of Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]    
Gross carrying value $ 12,285 $ 4,963
Accumulated amortization (4,543) (2,382)
Net carrying value 7,742 2,581
Core Deposits [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross carrying value 9,626 2,776
Accumulated amortization (2,908) (1,366)
Net carrying value 6,718 1,410
Other [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross carrying value 2,659 2,187
Accumulated amortization (1,635) (1,016)
Net carrying value $ 1,024 $ 1,171