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Loans and the Allowance for Loan Losses (Details) - Schedule of Troubled Debt Restructuring by Class $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) Integer | Dec. 31, 2016 USD ($) Integer | Dec. 31, 2015 USD ($) Integer
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer | 6 | 23 | 54
Pre-Modification Outstanding Recorded Investment | $ 10,378 | $ 26,325 | $ 84,290
Post-Modification Outstanding Recorded Investment | $ 10,378 | $ 26,325 | $ 84,290
Commercial Portfolio Segment [Member] |  |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer | 1 | 19 | 48
Pre-Modification Outstanding Recorded Investment | $ 692 | $ 22,420 | $ 78,466
Post-Modification Outstanding Recorded Investment | $ 692 | $ 22,420 | $ 78,466
Commercial Real Estate Portfolio Segment [Member] |  |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer | 2 | 3 | 3
Pre-Modification Outstanding Recorded Investment | $ 3,007 | $ 2,155 | $ 5,049
Post-Modification Outstanding Recorded Investment | $ 3,007 | $ 2,155 | $ 5,049
Construction Loans [Member] |  |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer | 2 | 1 | 1
Pre-Modification Outstanding Recorded Investment | $ 6,662 | $ 1,750 | $ 661
Post-Modification Outstanding Recorded Investment | $ 6,662 | $ 1,750 | $ 661
Residential Portfolio Segment [Member] |  |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer | 1 |  | 1
Pre-Modification Outstanding Recorded Investment | $ 17 |  | $ 110
Post-Modification Outstanding Recorded Investment | $ 17 |  | $ 110
Consumer Portfolio Segment [Member] |  |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |  |
Number of Loans | Integer |  |  | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 4
Post-Modification Outstanding Recorded Investment |  |  | $ 4

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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 + Details
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- Definition Post-modification amount of investment in financing receivables 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 + Details
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- Definition Pre-modification amount of investment in financing receivables 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 + Details
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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. + Details
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