Loans (Loan Delinquency) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total loans	$ 1,466,407	$ 1,227,609
Current
Financing Receivable, Past Due [Line Items]
Total loans	1,455,675	1,212,478
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	5,957	7,297
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,365	3,990
90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,410	3,844
Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	728,910	604,646
Commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Total loans	726,231	597,892
Commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,557	3,630
Commercial real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	293	1,286
Commercial real estate | 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	829	1,838
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	469,227	410,228
Commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Total loans	467,608	407,692
Commercial and industrial | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	306	377
Commercial and industrial | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	201	1,275
Commercial and industrial | 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,112	884
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	262,894	211,839
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Total loans	256,486	206,002
Residential real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	4,071	3,286
Residential real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	868	1,429
Residential real estate | 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,469	1,122
Consumer
Financing Receivable, Past Due [Line Items]
Total loans	5,376	896
Consumer | Current
Financing Receivable, Past Due [Line Items]
Total loans	5,350	892
Consumer | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	23	4
Consumer | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3	0
Consumer | 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	$ 0	$ 0