Loans and Allowance for Credit Losses (Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract	1	4
Premodification outstanding recorded investment	$ 1,535	$ 4,462
Post modification outstanding recorded investment	1,506	3,650
Related allowance	0	0
Commercial and Residential Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related allowance	0	$ 0
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract		3
Premodification outstanding recorded investment		$ 2,310
Post modification outstanding recorded investment		2,119
Related allowance	$ 0	$ 0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract	1	1
Number of new contracts \| contract	1
Premodification outstanding recorded investment	$ 1,535	$ 2,152
Post modification outstanding recorded investment	1,506	1,531
Related allowance	0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related allowance	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Related allowance	$ 0	$ 0

Number of additional financing receivables that have been modified by troubled debt restructurings.

No definition available.

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- Definition

Amount of allowance for credit losses related to loans that were modified and considered TDRs during the reporting period.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

+ Details

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

+ Details

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