Loans (Narrative) (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018 USD ($) loan	Sep. 30, 2018 USD ($) segment loan item
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan portfolio segments \| segment		2
Maximum amount of consumer and commercial loans that use third-party credit scoring software models for risk rating purposes \| $		$ 500
Number of risk ratings used to grade commercial loans \| item		10
Impairment loss recognized \| $	$ 0	$ 0
Number of defaults \| loan	0	0
Lowest Risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of risk ratings used to grade commercial loans \| item		7

Maximum Amount Of Commercial Loans Receivable Third Party Credit Scoring Models Used For Risk Rating

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- Definition

Number Of Risk Ratings

+ 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 within the previous 12 months and for which there was a payment default.

+ References

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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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 segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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