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Acquisitions and FDIC Indemnification Asset (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount, Covered |  |  | $ 1,598 | $ 1,983
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion |  | $ 0 |  |
Loans and Leases Receivable, Disposals | $ (16) | (47) |  |
Total Covered Assets | 1,582 | 1,936 |  |
Consumer Loan [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount, Covered |  |  | 0 | 0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion |  | 0 |  |
Loans and Leases Receivable, Disposals | 0 | 0 |  |
Total Covered Assets | 0 | 0 |  |
Commercial Loan [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount, Covered |  |  | $ 1,598 | $ 1,983
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion |  | 0 |  |
Loans and Leases Receivable, Disposals | (16) | (47) |  |
Total Covered Assets | $ 1,582 | $ 1,936 |  |

X
- Definition Represents the carrying amount of all categories of financing receivables held in portfolio and assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance, whose losses will be shared with the Federal Deposit Insurance Corporation under the loss-sharing agreement. + References No definition available. + Details
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- Definition Loans and Leases Disposals + References No definition available. + 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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- Definition Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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- Definition Aggregate gross carrying amount of loans and leases receivable covered by loss sharing agreements. + References No definition available. + Details
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- Details
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- Details
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