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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Summary of TDR Modification Type (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) Loan | Dec. 31, 2017 USD ($) Loan | Dec. 31, 2016 USD ($) Loan
Commercial | Commercial and industrial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 2 | 1 | 0
Post-Modification Outstanding Recorded Investment | $ | $ 163 | $ 2,706 | $ 0
Commercial | Commercial and industrial | Change in Principal Payments and Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 |
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 |
Commercial | Commercial and industrial | Change in Principal Payments |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 2 | 1 |
Post-Modification Outstanding Recorded Investment | $ | $ 163 | $ 2,706 |
Commercial | Commercial and industrial | Change in Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 |
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 |
Commercial | Commercial and industrial | Chapter 7 Bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 |
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 |
Commercial | Commercial and industrial | Other |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 |
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 |
Commercial | SBA |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 1 | 0 | 0
Post-Modification Outstanding Recorded Investment | $ | $ 187 | $ 0 | $ 0
Commercial | SBA | Change in Principal Payments and Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 |  |
Post-Modification Outstanding Recorded Investment | $ | $ 0 |  |
Commercial | SBA | Change in Principal Payments |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 |  |
Post-Modification Outstanding Recorded Investment | $ | $ 0 |  |
Commercial | SBA | Change in Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 |  |
Post-Modification Outstanding Recorded Investment | $ | $ 0 |  |
Commercial | SBA | Chapter 7 Bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 |  |
Post-Modification Outstanding Recorded Investment | $ | $ 0 |  |
Commercial | SBA | Other |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 1 |  |
Post-Modification Outstanding Recorded Investment | $ | $ 187 |  |
Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 3 | 4 | 42
Post-Modification Outstanding Recorded Investment | $ | $ 350 | $ 5,139 | $ 10,273
Consumer | Change in Principal Payments and Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 2 | 34
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 1,290 | $ 8,622
Consumer | Change in Principal Payments |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 2 | 2 | 4
Post-Modification Outstanding Recorded Investment | $ | $ 163 | $ 3,849 | $ 780
Consumer | Change in Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 | 2
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 | $ 146
Consumer | Chapter 7 Bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 0 | 1
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 0 | $ 519
Consumer | Other |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 1 | 0 | 1
Post-Modification Outstanding Recorded Investment | $ | $ 187 | $ 0 | $ 206
Consumer | Single family residential mortgage |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan | 0 | 3 | 42
Post-Modification Outstanding Recorded Investment | $ | $ 0 | $ 2,433 | $ 10,273
Consumer | Single family residential mortgage | Change in Principal Payments and Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 2 | 34
Post-Modification Outstanding Recorded Investment | $ |  | $ 1,290 | $ 8,622
Consumer | Single family residential mortgage | Change in Principal Payments |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 1 | 4
Post-Modification Outstanding Recorded Investment | $ |  | $ 1,143 | $ 780
Consumer | Single family residential mortgage | Change in Interest Rates |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 0 | 2
Post-Modification Outstanding Recorded Investment | $ |  | $ 0 | $ 146
Consumer | Single family residential mortgage | Chapter 7 Bankruptcy |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 0 | 1
Post-Modification Outstanding Recorded Investment | $ |  | $ 0 | $ 519
Consumer | Single family residential mortgage | Other |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 0 | 1
Post-Modification Outstanding Recorded Investment | $ |  | $ 0 | $ 206

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