Loans and Allowance for Loan Losses (Details 9) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Commercial
Loans evaluated for impairment by loan segment
Recorded Investment, With no related allowance recorded	$ 93		$ 106
Recorded Investment, Total	93		106
Unpaid Principal Balance, with no related allowance	93		106
Unpaid Principal Balance, Total	93		106
Average Recorded Investment, with no related allowance recorded	97	$ 223
Average Recorded Investment, with related allowance recorded		1,113
Average Recorded Investment, Total	97	1,336
Interest Income Recognized, with no related allowance	2	3
Interest Income Recognized, Total	2	3
Commercial real estate
Loans evaluated for impairment by loan segment
Recorded Investment, With no related allowance recorded	5,547		5,681
Recorded Investment, With related allowance recorded	474		1,179
Recorded Investment, Total	6,021		6,860
Unpaid Principal Balance, with no related allowance	5,748		5,789
Unpaid Principal Balance, with related allowance	474		1,179
Unpaid Principal Balance, Total	6,222		6,968
Related Allowance, with related allowance	178		178
Related Allowance, Total	178		$ 178
Average Recorded Investment, with no related allowance recorded	5,603	7,183
Average Recorded Investment, with related allowance recorded	941	1,233
Average Recorded Investment, Total	6,544	8,416
Interest Income Recognized, with no related allowance	74	83
Interest Income Recognized, with related allowance	6	24
Interest Income Recognized, Total	$ 80	$ 107

Impaired financing receivable with related and no related allowance.

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

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524

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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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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-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

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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+ References

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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524

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Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

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