Loans (Past Due Financing Receivables) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current	$ 1,080,243	$ 907,206
Past Due	8,739	11,688
Total Loan Receivables	1,088,982	918,894
31 - 60 Days [Member]
Past Due	503	217
61 - 89 Days [Member]
Past Due	531	731
90 or Greater Days [Member]
Past Due	7,705	10,740
Commercial Real Estate Portfolio Segment [Member]
Current	664,250	536,013
Past Due	2,855	2,875
Total Loan Receivables	667,105	538,888
Commercial Real Estate Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due	484
Commercial Real Estate Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	2,371	2,875
Residential First Mortgages Portfolio Segment [Member]
Current	170,381	129,154
Past Due	623	2,247
Total Loan Receivables	171,004	131,401
Residential First Mortgages Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due		299
Residential First Mortgages Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	623	1,948
Residential Rentals Portfolio Segment [Member]
Current	101,309	92,552
Past Due	588	605
Total Loan Receivables	101,897	93,157
Residential Rentals Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due	11
Residential Rentals Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	577	605
Construction And Land Development Portfolio Segment [Member]
Current	33,886	32,634
Past Due	3,048	3,555
Total Loan Receivables	36,934	36,189
Construction And Land Development Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	3,048	3,555
Home Equity And Second Mortgages Portfolio Segment [Member]
Current	21,175	21,603
Past Due	224	113
Total Loan Receivables	21,399	21,716
Home Equity And Second Mortgages Portfolio Segment [Member] \| 31 - 60 Days [Member]
Past Due	130	65
Home Equity And Second Mortgages Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due	33
Home Equity And Second Mortgages Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	61	48
Commercial Portfolio Segment [Member]
Current	49,778	65,747
Past Due	706	1,499
Total Loan Receivables	50,484	67,246
Commercial Portfolio Segment [Member] \| 31 - 60 Days [Member]
Past Due	331
Commercial Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due		138
Commercial Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	375	1,361
Consumer Portfolio Segment [Member]
Current	420	365
Past Due	2	1
Total Loan Receivables	422	366
Consumer Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due	2	1
Commercial Equipment Portfolio Segment [Member]
Current	39,044	29,138
Past Due	693	793
Total Loan Receivables	39,737	29,931
Commercial Equipment Portfolio Segment [Member] \| 31 - 60 Days [Member]
Past Due	42	152
Commercial Equipment Portfolio Segment [Member] \| 61 - 89 Days [Member]
Past Due	1	293
Commercial Equipment Portfolio Segment [Member] \| 90 or Greater Days [Member]
Past Due	$ 650	$ 348

Financing receivables that are current.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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