Loans - Schedule of Interest Income Recognized and Received on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Impaired loans - Average Recorded Investment	$ 1,267	$ 3,806	$ 1,262	$ 4,103
Impaired loans - Interest Income Recognized	25	58	50	80
Impaired loans - Interest Income Received	25	56	50	114
Residential Real Estate [Member]
Impaired loans - Average Recorded Investment	371	1,278	371	1,289
Impaired loans - Interest Income Recognized	12	23	25	32
Impaired loans - Interest Income Received	12	24	25	48
Commercial Real Estate [Member]
Impaired loans - Average Recorded Investment	896	2,528	891	2,814
Impaired loans - Interest Income Recognized	13	35	25	48
Impaired loans - Interest Income Received	13	32	25	66
Commercial [Member]
Impaired loans - Average Recorded Investment
Impaired loans - Interest Income Recognized
Impaired loans - Interest Income Received

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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=84173941&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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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

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- Definition

Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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