Contractual payment of principal or interest past due period.

No definition available.

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- Definition

Financing Receivable Deferred Fees And Costs

+ References

No definition available.

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- Definition

Financing receivable modifications number of additional contracts.

+ References

No definition available.

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Period Type:	duration

- Definition

Loan maturity period.

+ References

No definition available.

+ Details

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- Definition

Mortgage lines of credit period.

+ References

No definition available.

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- Definition

Non mortgage lines of credit period.

+ References

No definition available.

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- Definition

Non-residential loans and lease charged off period.

+ References

No definition available.

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- Definition

Number of forbearance agreements negotiated.

+ References

No definition available.

+ Details

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- Definition

Number of loans foreclosure proceedings in process.

+ References

No definition available.

+ Details

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- Definition

Percentage of property securing loan.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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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
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-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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- Definition

The amount of the outstanding recorded investment related to 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 40
-Section 50
-Paragraph 4
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-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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Period Type:	instant

- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL49126937-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Loans and Allowance for Loan and Lease Losses (Narrative) (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016 USD ($) Loan	Sep. 30, 2015 USD ($) Loan	Sep. 30, 2016 USD ($) Loan	Sep. 30, 2015 USD ($) Loan	Dec. 31, 2014 USD ($) Loan	Dec. 31, 2013 Loan	Dec. 31, 2009 Loan	Dec. 31, 2008 Loan	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Contractual payment of principal or interest past due period for discontinuing accrual of interest			90 days
Financing Receivable, Allowance for Credit Losses	$ 7,482,000	$ 6,984,000	$ 7,482,000	$ 6,984,000	$ 6,716,000				$ 6,912,000	$ 6,168,000	$ 6,851,000
Non-residential loans and lease charged off period			120 days
Financing Receivable Deferred Fees And Costs	203,000		$ 203,000							178,000
Financing Receivable, Modifications, Recorded Investment	2,611,000		2,611,000							2,805,000
Charge-offs associated with troubled debt restructured loans	$ 0		$ 0
Number of troubled debt restructured loans \| Loan	0	0	0	2
Number of forbearance agreements negotiated \| Loan					1	1	9	1
Number of additional troubled debt restructured loans \| Loan	0	0	0	0
Other Real Estate	$ 66,000		$ 66,000							358,000
Number of loans foreclosure proceedings in process \| Loan			2
Loans for which formal foreclosure proceedings are in process	215,000		$ 215,000
Two Unrelated Borrowers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment		$ 3,404,000		$ 3,404,000
Accruing [Member] \| Five Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	904,000		904,000
Accruing [Member] \| Four Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	576,000		576,000							459,000
Accruing [Member] \| One Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	516,000		516,000
Nonaccruing [Member] \| Seven Loans With Two Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,707,000		1,707,000
Nonaccruing [Member] \| One Large Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,284,000		$ 1,284,000							1,370,000
Nonaccruing [Member] \| Nine Loans With Four Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment										2,346,000
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Maximum loan maturity period			30 years
Minimum [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan-to-value ratio			100.00%
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Maximum term on non-mortgage lines of credit			1 year
Commercial and Industrial [Member] \| Commercial Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 2,132,000	1,561,000	$ 2,132,000	1,561,000	$ 1,393,000				1,372,000	1,393,000	1,748,000
Commercial and Industrial [Member] \| LTV Less than 80 Percent [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan-to-value ratio			80.00%
Private Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan-to-value ratio			85.00%
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Maximum loan maturity period			20 years
Percentage of appraised Value of property securing loan	85.00%		85.00%
Mortgage Lines Of Credit Period			5 years
Home Equity [Member] \| Consumer Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 352,000	626,000	$ 352,000	626,000	653,000				325,000	317,000	611,000
Unfunded Lending Commitments [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	120,000		120,000							94,500
Commercial Real Estate [Member] \| Commercial Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	4,335,000	4,133,000	4,335,000	4,133,000	3,925,000				4,241,000	3,552,000	3,891,000
Commercial Real Estate [Member] \| Commercial Portfolio [Member] \| Accruing [Member] \| One Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	328,000		328,000
Commercial Real Estate [Member] \| Commercial Portfolio [Member] \| Accruing [Member] \| Other Borrower [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment										395,000
Residential Mortgage [Member] \| Consumer Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 532,000	$ 503,000	$ 532,000	$ 503,000	$ 450,000				$ 521,000	534,000	$ 481,000
Residential Mortgage [Member] \| Consumer Portfolio [Member] \| Accruing [Member] \| Three Unrelated Borrowers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment										$ 64,000