v3.19.1
Fair Value - Financial Instruments Measured at FV on Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale $ 46,932 $ 54,029
Loans held for sale 18,526 26,344
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 46,932 54,028
Loans held for sale 18,526 26,344
Derivative assets 112 100
Derivative liabilities 253 42
Fair Value, Measurements, Recurring | Level 1 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Loans held for sale 0 0
Derivative assets 0 0
Derivative liabilities 0 0
Fair Value, Measurements, Recurring | Level 2 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 46,932 54,028
Loans held for sale 18,526 26,344
Derivative assets 112 100
Derivative liabilities 253 42
Fair Value, Measurements, Recurring | Level 3 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Loans held for sale 0 0
Derivative assets 0 0
Derivative liabilities 0 0
U.S. government-sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 17,360 17,370
U.S. government-sponsored enterprises | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 17,360 17,370
U.S. government-sponsored enterprises | Fair Value, Measurements, Recurring | Level 1 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
U.S. government-sponsored enterprises | Fair Value, Measurements, Recurring | Level 2 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 17,360 17,370
U.S. government-sponsored enterprises | Fair Value, Measurements, Recurring | Level 3 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Municipal    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 501 515
Municipal | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 501 516
Municipal | Fair Value, Measurements, Recurring | Level 1 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Municipal | Fair Value, Measurements, Recurring | Level 2 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 501 516
Municipal | Fair Value, Measurements, Recurring | Level 3 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Corporate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 2,885 3,077
Corporate | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 2,885 3,076
Corporate | Fair Value, Measurements, Recurring | Level 1 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Corporate | Fair Value, Measurements, Recurring | Level 2 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 2,885 3,076
Corporate | Fair Value, Measurements, Recurring | Level 3 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Mortgage-backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 26,186 33,067
Mortgage-backed securities | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 26,186 33,067
Mortgage-backed securities | Fair Value, Measurements, Recurring | Level 1 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 0 0
Mortgage-backed securities | Fair Value, Measurements, Recurring | Level 2 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale 26,186 33,067
Mortgage-backed securities | Fair Value, Measurements, Recurring | Level 3 Inputs    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment securities available for sale $ 0 $ 0