Loans (Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) contract	Mar. 31, 2019 USD ($) contract	Dec. 31, 2019 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	22
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 1,135
Financing Receivable, Troubled Debt Restructuring, Postmodification	1,166
Financing Receivable, Troubled Debt Restructuring	$ 1,164
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	1
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 265
Financing Receivable, Troubled Debt Restructuring, Postmodification	265
Financing Receivable, Troubled Debt Restructuring	$ 265
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	1
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 145
Financing Receivable, Troubled Debt Restructuring, Postmodification	145
Financing Receivable, Troubled Debt Restructuring	$ 145
Home equity lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	3
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 452
Financing Receivable, Troubled Debt Restructuring, Postmodification	483
Financing Receivable, Troubled Debt Restructuring	$ 481
Home Equity Line of Credit [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	2
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 41
Financing Receivable, Troubled Debt Restructuring, Postmodification	41
Financing Receivable, Troubled Debt Restructuring	$ 41
Consumer, direct
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	11
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 175
Financing Receivable, Troubled Debt Restructuring, Postmodification	175
Financing Receivable, Troubled Debt Restructuring	$ 175
Consumer, Other Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	4
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 57
Financing Receivable, Troubled Debt Restructuring, Postmodification	57
Financing Receivable, Troubled Debt Restructuring	$ 57
Originated Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		17
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 625
Financing Receivable, Troubled Debt Restructuring, Postmodification		629
Financing Receivable, Troubled Debt Restructuring		$ 627
Originated Loans | Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		2
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 38
Financing Receivable, Troubled Debt Restructuring, Postmodification		38
Financing Receivable, Troubled Debt Restructuring		$ 36
Originated Loans | Home equity lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		2
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 399
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 403
Financing Receivable, Troubled Debt Restructuring			$ 403
Originated Loans | Home Equity Line of Credit [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		2
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 79
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 79
Financing Receivable, Troubled Debt Restructuring			79
Originated Loans | Consumer, direct
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		6
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 72
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 72
Financing Receivable, Troubled Debt Restructuring			72
Originated Loans | Consumer, Other Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		5
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 37
Financing Receivable, Troubled Debt Restructuring, Postmodification		37
Financing Receivable, Troubled Debt Restructuring		$ 37
Originated Loans | Deposit account overdrafts
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		11
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 109
Financing Receivable, Troubled Debt Restructuring, Postmodification		109
Financing Receivable, Troubled Debt Restructuring		$ 109
Acquired Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		3
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 89
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 90
Financing Receivable, Troubled Debt Restructuring			90
Acquired Loans | Home equity lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		1
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 24
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 24
Financing Receivable, Troubled Debt Restructuring			24
Acquired Loans | Home Equity Line of Credit [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract		2
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 65
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 66
Financing Receivable, Troubled Debt Restructuring			$ 66