Commitments and Contingencies (ACL on Unfunded Commitments Rollforward) (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
		Jun. 30, 2020	Jun. 30, 2020	Jan. 01, 2020
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	[1]	$ 2,039	$ 293
Adoption of Topic 326	[1]			$ 1,483
Provision		116	379
Ending balance		2,155	2,155
Commercial Real Estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		1,132	136
Adoption of Topic 326	[1]			817
Provision		(245)	(66)
Ending balance		887	887
Commercial & Industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		847	144
Adoption of Topic 326	[1]			626
Provision		360	437
Ending balance		1,207	1,207
Total Commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		1,979	280
Adoption of Topic 326	[1]			1,443
Provision		115	371
Ending balance		2,094	2,094
Residential Real Estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		42	6
Adoption of Topic 326	[1]			34
Provision		0	2
Ending balance		42	42
Home Equity
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		0	0
Adoption of Topic 326	[1]			0
Provision		0	0
Ending balance		0	0
Other
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		18	7
Adoption of Topic 326	[1]			6
Provision		1	6
Ending balance		19	19
Total Consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance		18	7
Adoption of Topic 326	[1]			$ 6
Provision		1	6
Ending balance		$ 19	$ 19

[1] Adoption of the CECL accounting standard effective January 1, 2020.