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Loans and Allowance for Credit Losses (Troubled Debt Restructurings With Subsequent Default) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) contract
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts | contract	2
Recorded investment | $	$ 533
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts | contract	1
Recorded investment | $	$ 154
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts | contract	1
Recorded investment | $	$ 379

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- Definition

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+ References

No definition available.

+ Details

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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

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, 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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