Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Recorded Investment
With no related allowance recorded	$ 21,238	$ 20,725
With an allowance recorded	1,049	161
Total impaired loans	22,287	20,886
Unpaid Principal Balance
With no related allowance recorded	25,321	24,718
With an allowance recorded	1,448	166
Total impaired loans	26,769	24,884
Related Allowance
With an allowance recorded	1,049	34
Commercial
Recorded Investment
With no related allowance recorded	405	70
With an allowance recorded		3
Unpaid Principal Balance
With no related allowance recorded	491	149
With an allowance recorded		8
Related Allowance
With an allowance recorded		3
Real estate - commercial \| Owner occupied general purpose
Recorded Investment
With no related allowance recorded	1,881	2,314
Unpaid Principal Balance
With no related allowance recorded	2,131	3,004
Real estate - commercial \| Owner occupied special purpose
Recorded Investment
With no related allowance recorded	385	763
Unpaid Principal Balance
With no related allowance recorded	518	871
Real estate - commercial \| Non-owner occupied general purpose
Recorded Investment
With no related allowance recorded	1,744	1,047
With an allowance recorded	246
Unpaid Principal Balance
With no related allowance recorded	2,010	1,065
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	1,179
Unpaid Principal Balance
With no related allowance recorded	1,235
Real estate - commercial \| Farm
Recorded Investment
With no related allowance recorded		1,272
Unpaid Principal Balance
With no related allowance recorded		1,338
Real estate - residential \| Investor
Recorded Investment
With no related allowance recorded	1,841	1,906
Unpaid Principal Balance
With no related allowance recorded	2,308	2,259
Real estate - residential \| Owner occupied
Recorded Investment
With no related allowance recorded	9,824	10,539
With an allowance recorded	803	112
Unpaid Principal Balance
With no related allowance recorded	11,391	11,999
With an allowance recorded	853	112
Related Allowance
With an allowance recorded	803	31
Real estate - residential \| Revolving and junior liens
Recorded Investment
With no related allowance recorded	2,484	2,731
With an allowance recorded		46
Unpaid Principal Balance
With no related allowance recorded	3,018	3,947
With an allowance recorded		46
Consumer
Recorded Investment
With no related allowance recorded	201
Unpaid Principal Balance
With no related allowance recorded	268
Construction Loans \| Real estate - commercial \| Commercial speculative
Recorded Investment
With no related allowance recorded	74	83
Unpaid Principal Balance
With no related allowance recorded	81	$ 86
Construction Loans \| Real estate - commercial \| All other
Recorded Investment
With no related allowance recorded	207
Unpaid Principal Balance
With no related allowance recorded	$ 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)
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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