Loans Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Recorded Investment:
With No Related Allowance	$ 1,778	$ 3,132	$ 2,079
With a Related Allowance	288	1,703	0
Unpaid Principal Balance:
With No Related Allowance	1,778	3,132	2,079
With a Related Allowance	288	1,703	0
Average Recorded Balance:
With No Related Allowance	1,929	3,211
With a Related Allowance	144	852
Interest Income Recognized:
With No Related Allowance	1	10
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Commercial
Recorded Investment:
With No Related Allowance	0	0	0
With a Related Allowance	0	0	0
Unpaid Principal Balance:
With No Related Allowance	0	0	0
With a Related Allowance	0	0	0
Average Recorded Balance:
With No Related Allowance	0	78
With a Related Allowance	0	0
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Commercial Real Estate Portfolio Segment
Recorded Investment:
With No Related Allowance	884	2,371	890
With a Related Allowance	0	1,703	0
Unpaid Principal Balance:
With No Related Allowance	884	2,371	890
With a Related Allowance	0	1,703	0
Average Recorded Balance:
With No Related Allowance	887	2,372
With a Related Allowance	0	852
Interest Income Recognized:
With No Related Allowance	0	9
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Consumer Portfolio Segment
Recorded Investment:
With No Related Allowance	88	119	91
With a Related Allowance	0	0	0
Unpaid Principal Balance:
With No Related Allowance	88	119	91
With a Related Allowance	0	0	0
Average Recorded Balance:
With No Related Allowance	90	117
With a Related Allowance	0	0
Interest Income Recognized:
With No Related Allowance	1	1
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Residential
Recorded Investment:
With No Related Allowance	806	642	1,098
With a Related Allowance	288	0	0
Unpaid Principal Balance:
With No Related Allowance	806	642	1,098
With a Related Allowance	288	0	$ 0
Average Recorded Balance:
With No Related Allowance	952	644
With a Related Allowance	144	0
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	$ 0	$ 0

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Reference 1: 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=66008989&loc=d3e5258-111524

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