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Loans and Allowance for Loan Losses (Average Recorded Investment and Interest Income Recognized on Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	$ 17,922	$ 12,896	$ 12,259
Recognized interest income	147	175	640
Commercial Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	12,386	8,301	8,482
Recognized interest income	108	119	462
Commercial Loan [Member] | Owner Occupied Re [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	2,725	2,757	2,739
Recognized interest income	18	30	128
Commercial Loan [Member] | Non Owner Occupied Re [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	7,108	2,977	4,161
Recognized interest income	62	49	255
Commercial Loan [Member] | Business Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	2,553	2,567	1,582
Recognized interest income	28	40	79
Commercial Loan [Member] | Construction Loans [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment
Recognized interest income
Consumer Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	5,536	4,595	3,777
Recognized interest income	39	56	178
Consumer Loan [Member] | Other Consumer [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	145	157	153
Recognized interest income	1	1	5
Consumer Loan [Member] | Construction Loans [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment
Recognized interest income
Consumer Loan [Member] | Real Estate Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	3,036	2,761	2,771
Recognized interest income	26	25	131
Consumer Loan [Member] | Home Equity Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	2,355	1,677	853
Recognized interest income	$ 12	$ 30	$ 42

X

- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5258-111524

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X

- References

No definition available.

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X

- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

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