Loans (Risk Category of Loans by Class of Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 1,466,407	$ 1,227,609
Commercial real estate and Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,198,137	1,014,874
Commercial real estate and Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,156,471	975,175
Commercial real estate and Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	21,823	17,292
Commercial real estate and Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	18,129	20,569
Commercial real estate and Commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,714	1,838
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	728,910	604,646
Commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	715,292	591,419
Commercial real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	9,828	8,325
Commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,932	4,042
Commercial real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	858	860
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	469,227	410,228
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	441,179	383,756
Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	11,995	8,967
Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	15,197	16,527
Commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	856	978
Residential real estate and Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	268,270	212,735
Residential real estate and Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	266,131	210,150
Residential real estate and Consumer | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,139	2,585
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	262,894	211,839
Residential real estate | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	260,770	209,270
Residential real estate | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,124	2,569
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,376	896
Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,361	880
Consumer | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 15	$ 16