Loans (Loan Delinquency) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total loans	$ 1,843,888	$ 1,227,609
Current
Financing Receivable, Past Due [Line Items]
Total loans	1,824,543	1,212,478
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	11,601	7,297
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	4,334	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	730,189	604,646
Commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Total loans	726,018	597,892
Commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,934	3,630
Commercial real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	237	1,286
Commercial real estate | 90+ Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	0	1,838
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	807,923	410,228
Commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Total loans	802,363	407,692
Commercial and industrial | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,598	377
Commercial and industrial | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,962	1,275
Commercial and industrial | 90+ Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	0	884
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	304,088	211,839
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Total loans	294,478	206,002
Residential real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	4,067	3,286
Residential real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	2,133	1,429
Residential real estate | 90+ Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,410	1,122
Consumer
Financing Receivable, Past Due [Line Items]
Total loans	1,688	896
Consumer | Current
Financing Receivable, Past Due [Line Items]
Total loans	1,684	892
Consumer | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	2	4
Consumer | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	2	0
Consumer | 90+ Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	$ 0	$ 0