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Goodwill and Other Intangible Assets - Schedule of Intangible Assets and Goodwill (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross carrying amount $ 8,990 $ 8,962
Intangible assets, Accumulated amortization (6,065) (5,871)
Intangible assets, Net carrying amount 2,925 3,091
Core Deposit Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross carrying amount 2,067 2,067
Intangible assets, Accumulated amortization (1,632) (1,588)
Intangible assets, Net carrying amount 435 479
Lease Intangible Asset [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross carrying amount 350 350
Intangible assets, Accumulated amortization (244) (233)
Intangible assets, Net carrying amount 106 117
Mortgage Servicing Rights [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross carrying amount 6,573 6,545
Intangible assets, Accumulated amortization (4,189) (4,050)
Intangible assets, Net carrying amount $ 2,384 $ 2,495