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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loans and Leases by Class Modified as Troubled Debt Restructurings (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) loan | Sep. 30, 2018 USD ($) loan | Sep. 30, 2019 USD ($) loan | Sep. 30, 2018 USD ($) loan
Commercial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 | 0 | 12 | 2
Pre- Modification Outstanding Recorded Investment |  | $ 0 |  | $ 171
Post-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 15,561 | $ 163
Commercial | Commercial and industrial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 | 0 | 10 | 2
Pre- Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 17,339 | $ 171
Post-Modification Outstanding Recorded Investment | $ 0 | $ 0 | 14,692 | $ 163
Principal repayments by borrower |  |  | $ 2,300 |
Commercial | SBA |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 |  | 2 |
Pre- Modification Outstanding Recorded Investment | $ 0 |  | $ 3,214 |
Post-Modification Outstanding Recorded Investment | $ 0 |  | $ 869 |
Consumer |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 |  | 12 |
Pre- Modification Outstanding Recorded Investment | $ 0 |  | $ 20,553 |
Post-Modification Outstanding Recorded Investment | $ 0 |  | $ 15,561 |
Consumer | Single family residential mortgage |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Loans | loan | 0 |  | 0 |
Pre- Modification Outstanding Recorded Investment | $ 0 |  | $ 0 |
Post-Modification Outstanding Recorded Investment | $ 0 |  | $ 0 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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