Fair Value - Assets Measured on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Impaired Loans- Applies to all loan classes, Fair Value	$ 664	$ 1,775
Real estate held for sale - Applies to all classes, Fair Value		705
Range Of Input 10-40% [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trust preferred stock, Fair Value	$ 664
Fair Value Measurements, Valuation Processes, Description	Appraisals which utilize sales comparison, net income and cost approach
Unobservable Inputs, Fair Value	Discounts for collection issues and changes in market conditions
Fair Value, Range of Input, Minimum	10.00%
Fair Value, Range of Input, Maximum	40.00%
Fair Value Measurement Weighted Average Range	19.30%
Range Of Input 10-13% [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Impaired Loans- Applies to all loan classes, Fair Value		$ 1,775
Fair Value Measurements, Valuation Processes, Description		Appraisals which utilize sales comparison, net income and cost approach
Unobservable Inputs, Fair Value		Discounts for collection issues and changes in market conditions
Fair Value, Range of Input, Minimum		10.00%
Fair Value, Range of Input, Maximum		13.00%
Fair Value Measurement Weighted Average Range		10.86%
Range of Input 20% [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Real estate held for sale - Applies to all classes, Fair Value		$ 705
Fair Value Measurements, Valuation Processes, Description		Appraisals which utilize sales comparison, net income and cost approach
Unobservable Inputs, Fair Value		Discounts for changes in market conditions
Fair Value Measurement Range Of Input		20.00%
Fair Value Measurement Weighted Average Range		20.00%