Contractual payment of principal or interest past due period.

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- Definition

Financing receivable deferred fees and costs.

+ References

No definition available.

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Financing receivable modifications number of additional contracts.

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No definition available.

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Financing receivable modifications number of existing contracts.

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Pre and post modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

No definition available.

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- Definition

Financing receivable other obligations.

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No definition available.

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Financing receivables during modification impaired troubled debt restructuring write down.

+ References

No definition available.

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- Definition

Loan terms.

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No definition available.

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- Definition

Loan to value ratio.

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No definition available.

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- Definition

Loan to value ratio, exposure after private mortgage insurance.

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No definition available.

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- Definition

Number of consumer mortgage loans secured by residential real estate properties foreclosure proceedings in process.

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No definition available.

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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.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 310
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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

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- Definition

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

+ References

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- Definition

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

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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Threshold period past due for financing receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Amount of valuation and qualifying accounts and reserves.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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, 2018 USD ($) Loan	Sep. 30, 2017 USD ($) Loan	Sep. 30, 2018 USD ($) Loan	Sep. 30, 2017 USD ($) Loan	Dec. 31, 2017 USD ($) Loan
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 Deferred Fees And Costs	$ 443,000		$ 443,000		$ 464,000
Past Due	7,696,000		7,696,000		10,749,000
Financing Receivable, Modifications, Recorded Investment	7,056,000		7,056,000		9,571,000
Charge-offs associated with troubled debt restructured loans	$ 0	$ 0	$ 0	$ 0	$ 66,000
Number of troubled debt restructured loans, defaulted \| Loan	0	0	0	0	0
Number of troubled debt restructured loans \| Loan	0	0	0	0
Number of additional troubled debt restructured loans \| Loan		2		2
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 7,741,000		$ 10,536,000
Financing Receivable, Modifications, Post-Modification Recorded Investment			7,990,000		10,730,000
Other Real Estate	$ 1,027,000		$ 1,027,000		42,000
Number of consumer mortgage loans foreclosure proceedings in process \| Loan			4
Loans for which formal foreclosure proceedings are in process	193,000		$ 193,000		308,000
Home Equity Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 2,000		2,000		4,000
Financing Receivable, Modifications, Pre-Modification Recorded Investment			14,000		14,000
Financing Receivable, Modifications, Post-Modification Recorded Investment			$ 14,000		14,000
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of troubled debt restructured loans \| Loan	1		1
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Past Due	$ 6,483,000		$ 6,483,000		4,831,000
Accruing [Member] \| Four Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	524,000		524,000		544,000
Accruing [Member] \| Home Equity Loan [Member] \| Other Borrower
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,000		2,000		4,000
Accruing [Member] \| Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Past Due	0		0		0
Nonaccruing [Member] \| Nine Loans With Five Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,532,000		6,532,000
Nonaccruing [Member] \| Two Large Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,463,000		5,463,000		7,284,000
Nonaccruing [Member] \| Fifteen Loans With Five Relationships
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,532,000		6,532,000
Nonaccruing [Member] \| Fifteen Loans With Seven Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment					9,027,000
Nonaccruing [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	270,000	$ 4,460,000	270,000	$ 4,460,000
Pre-modification and post-modification recorded investment balances			270,000
Charge-offs associated with troubled debt restructured loans at the time of modification			0	$ 0
Number of existing troubled debt restructured loans \| Loan				4
Financing Receivable, Modifications, Pre-Modification Recorded Investment				$ 4,110,000
Financing Receivable, Modifications, Post-Modification Recorded Investment				4,460,000
Financing receivable, other obligations		350,000		350,000
Nonaccruing [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment		$ 299,000		$ 299,000
Number of existing troubled debt restructured loans \| Loan				2
Financing Receivable, Modifications, Pre-Modification Recorded Investment				$ 362,000
Financing Receivable, Modifications, Post-Modification Recorded Investment				$ 300,000
Reserve for Off-balance Sheet Activities [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Valuation Allowances and Reserves, Balance	$ 171,000		$ 171,000		105,000
Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-residential consumer loans charged off on contractual basis in event of bankruptcy, in period			120 days
Maximum [Member] \| Home equity lines of credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan Terms			20 years
Loan To Value Ratio	85.00%		85.00%
Maximum [Member] \| Home Equity Lines Of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan Terms			5 years
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan Terms			1 year
Loan To Value Ratio	80.00%		80.00%
Commercial [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 4,303,000		$ 4,303,000		4,434,000
Financing Receivable, Modifications, Pre-Modification Recorded Investment			4,110,000		4,110,000
Financing Receivable, Modifications, Post-Modification Recorded Investment			4,460,000		4,460,000
Commercial [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,229,000		2,229,000		4,593,000
Financing Receivable, Modifications, Pre-Modification Recorded Investment			2,940,000		5,735,000
Financing Receivable, Modifications, Post-Modification Recorded Investment			2,841,000		5,581,000
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	522,000		522,000		540,000
Financing Receivable, Modifications, Pre-Modification Recorded Investment			677,000		677,000
Financing Receivable, Modifications, Post-Modification Recorded Investment			675,000		675,000
Residential Portfolio [Member] \| Residential Mortgage [Member] \| Accruing [Member] \| Three Unrelated Borrowers
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 522,000		$ 522,000		$ 540,000
Residential Portfolio [Member] \| Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan Terms			30 years
Loan To Value Ratio	100.00%		100.00%
Loan To Value Ratio, Exposure After Private Mortgage Insurance			85.00%