Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Recorded Investment
With no related allowance recorded	$ 16,971	$ 21,238
With an allowance recorded	803	1,049
Total impaired loans	17,774	22,287
Unpaid Principal Balance
With no related allowance recorded	19,848	25,321
With an allowance recorded	853	1,448
Total impaired loans	20,701	26,769
Related Allowance
With an allowance recorded	803	1,049
Commercial
Recorded Investment
With no related allowance recorded	225	240
Unpaid Principal Balance
With no related allowance recorded	376	388
Lease financing receivables
Recorded Investment
With no related allowance recorded	484	366
Unpaid Principal Balance
With no related allowance recorded	502	371
Real estate - commercial \| Owner occupied general purpose
Recorded Investment
With no related allowance recorded	659	1,881
Unpaid Principal Balance
With no related allowance recorded	719	2,131
Real estate - commercial \| Owner occupied special purpose
Recorded Investment
With no related allowance recorded	375	385
Unpaid Principal Balance
With no related allowance recorded	513	518
Real estate - commercial \| Non-owner occupied general purpose
Recorded Investment
With no related allowance recorded	1,146	1,744
With an allowance recorded		246
Unpaid Principal Balance
With no related allowance recorded	1,430	2,010
With an allowance recorded		595
Related Allowance
With an allowance recorded		246
Real estate - commercial \| Non-owner occupied special purpose
Recorded Investment
With no related allowance recorded		1,013
Unpaid Principal Balance
With no related allowance recorded		1,649
Real estate - commercial \| Retail properties
Recorded Investment
With no related allowance recorded	1,161	1,179
Unpaid Principal Balance
With no related allowance recorded	1,221	1,235
Real estate - residential \| Investor
Recorded Investment
With no related allowance recorded	1,646	1,841
Unpaid Principal Balance
With no related allowance recorded	2,128	2,308
Real estate - residential \| Owner occupied
Recorded Investment
With no related allowance recorded	8,581	9,824
With an allowance recorded	803	803
Unpaid Principal Balance
With no related allowance recorded	9,894	11,391
With an allowance recorded	853	853
Related Allowance
With an allowance recorded	803	803
Real estate - residential \| Revolving and junior liens
Recorded Investment
With no related allowance recorded	2,410	2,484
Unpaid Principal Balance
With no related allowance recorded	2,755	3,018
Consumer
Recorded Investment
With no related allowance recorded	10
Unpaid Principal Balance
With no related allowance recorded	10
Construction Loans \| Real estate - commercial \| Commercial speculative
Recorded Investment
With no related allowance recorded	70	74
Unpaid Principal Balance
With no related allowance recorded	80	81
Construction Loans \| Real estate - commercial \| All other
Recorded Investment
With no related allowance recorded	204	207
Unpaid Principal Balance
With no related allowance recorded	$ 220	$ 221

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ 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 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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