Fair Value (Assets Measured at Fair Value on a Non-Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights	$ 196	$ 87
Other real estate owned	2,093	921
Non-recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights	196	87
Other real estate owned	2,093	921
Carrying Value | Non-recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights	196	87
Other real estate owned	2,093	921
Total assets at fair value	3,428	1,534
Estimate of Fair Value Measurement | Non-recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights	196	87
Other real estate owned	2,093	921
Total assets at fair value	3,428	1,534
Commercial real estate | Carrying Value | Non-recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans		265
Commercial real estate | Estimate of Fair Value Measurement | Non-recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans		265
Commercial and industrial | Carrying Value | Non-recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	1,139	261
Commercial and industrial | Estimate of Fair Value Measurement | Non-recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 1,139	$ 261