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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		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	$ 12,824	$ 15,231	$ 12,847	$ 15,354	$ 13,084
Recognized interest income	164	244	339	402	733
Commercial Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	8,388	10,039	8,388	10,104	8,527
Recognized interest income	122	179	241	267	478
Commercial Loan [Member] | Owner Occupied Re [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	3,116	2,800	3,123	2,804	2,784
Recognized interest income	44	45	79	62	142
Commercial Loan [Member] | Non Owner Occupied Re [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	2,544	3,878	2,565	3,920	2,860
Recognized interest income	41	77	85	126	174
Commercial Loan [Member] | Business Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	2,728	3,361	2,700	3,380	2,883
Recognized interest income	37	57	77	79	162
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	4,436	5,192	4,459	5,250	4,557
Recognized interest income	42	65	98	135	255
Consumer Loan [Member] | Other Consumer [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	155	165	156	167	174
Recognized interest income	1	1	2	3	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	2,622	2,892	2,633	2,911	2,930
Recognized interest income	20	40	45	81	151
Consumer Loan [Member] | Home Equity Loan [Member]
Average recorded investment and interest income recognized on impaired loans
Average recorded investment	1,659	2,135	1,670	2,172	1,453
Recognized interest income	$ 21	$ 24	$ 51	$ 51	$ 99

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=118936363&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=118936363&loc=d3e5258-111524

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- References

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- 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=118936363&loc=d3e5212-111524

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