Fair Value - Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	$ 1,723	$ 56
Impaired collateral-dependent loans	1,925	2,625
OREO, Net (Credit) Provision During Period	(231)	(196)
Impaired collateral-dependent loans, Net (Credit) Provision During Period	(253)	(335)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0
Impaired collateral-dependent loans	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0
Impaired collateral-dependent loans	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	1,723	56
Impaired collateral-dependent loans	$ 1,925	$ 2,625