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Loans Receivable, Net - Recorded Investment in Non-Accrual Loans by Loan Portfolio Segment Excluding PCI Loans (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | $ 17,415 | $ 20,865 | $ 13,600
Commercial and industrial |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | 1,587 | 503 |
Commercial real estate - owner occupied |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | 501 | 5,962 |
Commercial real estate – investor |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | 5,024 | 8,281 |
Residential mortgage |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | 7,389 | 4,190 |
Consumer |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Recorded Investment in Non-accrual Loans | $ 2,914 | $ 1,929 |

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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 Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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