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Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Goodwill $ 60,763 $ 5,716
Goodwill and intangible assets 68,582 6,085
Core Deposits    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets 7,245 0
Mortgage Servicing Rights    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets $ 574 $ 369