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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- Definition

Loan terms.

+ References

No definition available.

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- Definition

Loan to value ratio.

+ References

No definition available.

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- Definition

Loan to value ratio, exposure after private mortgage insurance.

+ References

No definition available.

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- Definition

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

+ References

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.

+ 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=84173941&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
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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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.

+ 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=84173941&loc=SL6953682-111524

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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- Definition

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

+ References

+ Details

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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.

+ 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=84173941&loc=SL49126937-111524

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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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- 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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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Loans and Allowance for Loan and Lease Losses (Narrative) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($) Loan	Mar. 31, 2017 USD ($) 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	$ 515,000		$ 464,000
Past Due	9,890,000		10,749,000
Financing Receivable, Modifications, Recorded Investment	9,446,000		9,571,000
Charge-offs associated with troubled debt restructured loans	$ 0	$ 0	$ 66,000
Number of troubled debt restructured loans, defaulted \| Loan	0	0	0
Number of troubled debt restructured loans \| Loan	0	0
Other Real Estate	$ 734,000		$ 42,000
Number of consumer mortgage loans foreclosure proceedings in process \| Loan	5
Loans for which formal foreclosure proceedings are in process	$ 415,000		308,000
Home Equity Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Past Due	3,593,000		4,831,000
Accruing [Member] \| Four Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment			544,000
Accruing [Member] \| One Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	490,000
Accruing [Member] \| Home Equity Loan [Member] \| Other Borrower
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment			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
Nonaccruing [Member] \| Fifteen Loans With Five Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	8,909,000
Nonaccruing [Member] \| Two Large Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	7,224,000		7,284,000
Nonaccruing [Member] \| Fifteen Loans With Seven Relationships [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment			9,027,000
Reserve for Off-balance Sheet Activities [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Valuation Allowances and Reserves, Balance	$ 107,000		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%
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%
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 534,000		544,000
Residential Portfolio [Member] \| Residential Mortgage [Member] \| Accruing [Member] \| Four Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 537,000
Residential Portfolio [Member] \| Residential Mortgage [Member] \| Accruing [Member] \| Three Unrelated Borrowers
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Recorded Investment			$ 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%
Loan To Value Ratio, Exposure After Private Mortgage Insurance	85.00%