Loans Troubled Debt Restructurings (Details)	12 Months Ended
Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract
Financing Receivable, Modifications [Line Items]
Additional commitments to lend funds to debtors whose terms have been modified in a TDR	$ 0
Originated Loan
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	36	44
Pre-modification recorded investment in loans modified as TDR	$ 2,438,000	$ 1,342,000
Post-modification recorded investment in loans modified as TDR	2,438,000	1,343,000
Total Recorded Investment	$ 2,313,000	$ 1,301,000
Number of contracts modified as a TDR that subsequently defaulted \| contract	1	3
Recorded investment in loans modified as a TDR that subsequently defaulted	$ 151,000	$ 61,000
Impact on allowance for loan losses for loans modified as a TDR that subsequently defaulted	0	0
Originated Loan \| Commercial real estate, other
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	5
Pre-modification recorded investment in loans modified as TDR	$ 900,000
Post-modification recorded investment in loans modified as TDR	900,000
Total Recorded Investment	$ 881,000
Originated Loan \| Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	4
Pre-modification recorded investment in loans modified as TDR	$ 834,000
Post-modification recorded investment in loans modified as TDR	834,000
Total Recorded Investment	$ 834,000
Originated Loan \| Residential real estate
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	4	22
Pre-modification recorded investment in loans modified as TDR	$ 207,000	$ 996,000
Post-modification recorded investment in loans modified as TDR	207,000	997,000
Total Recorded Investment	$ 115,000	$ 967,000
Number of contracts modified as a TDR that subsequently defaulted \| contract	1	1
Recorded investment in loans modified as a TDR that subsequently defaulted	$ 151,000	$ 33,000
Impact on allowance for loan losses for loans modified as a TDR that subsequently defaulted	0	0
Originated Loan \| Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	11	12
Pre-modification recorded investment in loans modified as TDR	$ 402,000	$ 238,000
Post-modification recorded investment in loans modified as TDR	402,000	238,000
Total Recorded Investment	$ 389,000	$ 232,000
Number of contracts modified as a TDR that subsequently defaulted \| contract	0	2
Recorded investment in loans modified as a TDR that subsequently defaulted	$ 0	$ 28,000
Impact on allowance for loan losses for loans modified as a TDR that subsequently defaulted	0	0
Originated Loan \| Consumer
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	12	10
Pre-modification recorded investment in loans modified as TDR	$ 95,000	$ 108,000
Post-modification recorded investment in loans modified as TDR	95,000	108,000
Total Recorded Investment	$ 94,000	$ 102,000
Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	5	13
Pre-modification recorded investment in loans modified as TDR	$ 254,000	$ 945,000
Post-modification recorded investment in loans modified as TDR	254,000	945,000
Total Recorded Investment	$ 253,000	$ 930,000
Number of contracts modified as a TDR that subsequently defaulted \| contract	0	1
Recorded investment in loans modified as a TDR that subsequently defaulted	$ 0	$ 56,000
Impact on allowance for loan losses for loans modified as a TDR that subsequently defaulted	0	0
Acquired Loans \| Commercial real estate, construction
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract		1
Pre-modification recorded investment in loans modified as TDR		$ 96,000
Post-modification recorded investment in loans modified as TDR		96,000
Total Recorded Investment		$ 96,000
Acquired Loans \| Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract		3
Pre-modification recorded investment in loans modified as TDR		$ 605,000
Post-modification recorded investment in loans modified as TDR		605,000
Total Recorded Investment		$ 594,000
Acquired Loans \| Residential real estate
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	4	4
Pre-modification recorded investment in loans modified as TDR	$ 246,000	$ 235,000
Post-modification recorded investment in loans modified as TDR	246,000	235,000
Total Recorded Investment	$ 246,000	$ 234,000
Number of contracts modified as a TDR that subsequently defaulted \| contract	0	1
Recorded investment in loans modified as a TDR that subsequently defaulted	$ 0	$ 56,000
Impact on allowance for loan losses for loans modified as a TDR that subsequently defaulted	0	0
Acquired Loans \| Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract	1
Pre-modification recorded investment in loans modified as TDR	$ 8,000
Post-modification recorded investment in loans modified as TDR	8,000
Total Recorded Investment	$ 7,000
Acquired Loans \| Consumer
Financing Receivable, Modifications [Line Items]
Number of contracts modified as a TDR \| contract		5
Pre-modification recorded investment in loans modified as TDR		$ 9,000
Post-modification recorded investment in loans modified as TDR		9,000
Total Recorded Investment		$ 6,000

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Financing Receivable Modifications Post Modification Recorded Investment During Period

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Financing Receivable Modifications Recorded Investment During Period

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Description of how troubled debt restructurings within the previous 12 months and for which there was a payment default during the period are factored into the determination of the 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 34
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

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Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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