Loans (Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan
Financing receivable post modification recorded investment \| $	$ 11,981	$ 15,121
Less: TDRs included in non-accrual loans \| $	(1,753)	(4,673)
Accrual TDR loans \| $	$ 10,228	$ 10,448
Number of TDR loans \| loan	20	22
Number of non-accrual TDR loans \| loan	(4)	(6)
Number of accrual TDR loans \| loan	16	16
Residential First Mortgage Loans [Member]
Financing receivable post modification recorded investment \| $	$ 537	$ 545
Number of TDR loans \| loan	2	2
Commercial Portfolio Segment [Member] \| Commercial Real Estate Loans [Member]
Financing receivable post modification recorded investment \| $	$ 9,466	$ 9,587
Number of TDR loans \| loan	9	8
Commercial Portfolio Segment [Member] \| Residential Rentals Loans [Member]
Financing receivable post modification recorded investment \| $	$ 224	$ 227
Number of TDR loans \| loan	1	1
Commercial Portfolio Segment [Member] \| Construction And Land Development Loans [Member]
Financing receivable post modification recorded investment \| $	$ 981	$ 3,777
Number of TDR loans \| loan	3	4
Commercial Portfolio Segment [Member] \| Commercial Loans [Member]
Financing receivable post modification recorded investment \| $	$ 665	$ 872
Number of TDR loans \| loan	3	5
Commercial Portfolio Segment [Member] \| Commercial Equipment Loans [Member]
Financing receivable post modification recorded investment \| $	$ 108	$ 113
Number of TDR loans \| loan	2	2

Accrual Financing Receivable Post Modification Recorded Investment

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- Definition

Schedule of troubled debt restructures.

+ References

No definition available.

+ Details

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- Definition

Non-accrual financing receivable post modification recorded investment

+ References

No definition available.

+ Details

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- Definition

Number Of Accrual Financing Receivable Post Modification Recorded Investment

+ References

No definition available.

+ Details

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- Definition

Number of non-accrual financing receivable post modification recorded investment

+ References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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