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Derivatives - Schedule of Derivative Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Derivatives, Fair Value [Line Items]    
Derivative liability $ 508 $ 77
Interest rate swaps    
Derivatives, Fair Value [Line Items]    
Derivative asset 853 261
Derivative liability 246 77
Interest rate lock commitments    
Derivatives, Fair Value [Line Items]    
Derivative asset 978 873
Retail interest rate contracts    
Derivatives, Fair Value [Line Items]    
Derivative liability 262  
Not Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative asset 1,224 950
Derivative liability 508 77
Not Designated as Hedging Instrument | Interest rate swaps    
Derivatives, Fair Value [Line Items]    
Derivative asset 246 77
Derivative liability 246 77
Not Designated as Hedging Instrument | Interest rate swaps | Other assets    
Derivatives, Fair Value [Line Items]    
Derivative asset 246 77
Not Designated as Hedging Instrument | Interest rate swaps | Other liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability 246 77
Not Designated as Hedging Instrument | Interest rate lock commitments | Other assets    
Derivatives, Fair Value [Line Items]    
Derivative asset 978 873
Not Designated as Hedging Instrument | Retail interest rate contracts | Other liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability $ 262 $ 0