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Loans and Allowance for Credit Losses (Troubled Debt Restructurings With Subsequent Default) (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2018 USD ($) contract | Jun. 30, 2017 USD ($) contract
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Number of contracts | contract | 2 | 1
Recorded investment | $ 533 | $ 89
Related allowance |  |
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Number of contracts | contract | 1 | 1
Recorded investment | $ 154 | $ 89
Related allowance |  |
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Related allowance |  |
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Related allowance |  |
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Related allowance |  |
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 |
Related allowance |  |

X
- Definition Amount of allowance related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + 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://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 + Details
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