Loans and Allowance for Credit Losses (Rollforward of TDRs) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	$ 7,255	$ 9,193
New TDRs		1,506
Disbursements (Payments)	(116)	(437)
Payoffs	(435)
TDR ending balance	6,704	10,262
TDR, Related Allowance	95	286
Impaired Nonaccrual Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	258	1,692
New TDRs		1,506
Disbursements (Payments)	(10)	(380)
TDR ending balance	248	2,818
TDR, Related Allowance		94
Impaired Nonaccrual Loans [Member] \| Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance		1,393
Disbursements (Payments)		(26)
TDR ending balance		1,367
TDR, Related Allowance		94
Impaired Nonaccrual Loans [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
New TDRs		1,506
Disbursements (Payments)		(344)
TDR ending balance		1,162
Impaired Nonaccrual Loans [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	258	299
Disbursements (Payments)	(10)	(10)
TDR ending balance	248	289
Impaired Accruing Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	6,997	7,501
Disbursements (Payments)	(106)	(57)
Payoffs	(435)
TDR ending balance	6,456	7,444
TDR, Related Allowance	95	192
Impaired Accruing Restructured Loans [Member] \| Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	3,845	4,041
Disbursements (Payments)	(29)	(28)
Payoffs	(435)
TDR ending balance	3,381	4,013
TDR, Related Allowance	95	174
Impaired Accruing Restructured Loans [Member] \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	3,118	3,419
Disbursements (Payments)	(75)	(26)
TDR ending balance	3,043	3,393
TDR, Related Allowance		18
Impaired Accruing Restructured Loans [Member] \| Construction Loans [Member] \| Commercial and Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
TDR beginning balance	34	41
Disbursements (Payments)	(2)	(3)
TDR ending balance	$ 32	$ 38

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- Definition

Financing receivables, impaired, troubled debt restructuring, disbursements (payments received).

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- Definition

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- Definition

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Financing receivables, impaired, troubled debt restructuring related allowance.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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