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ACQUISITIONS - FIRST CHOICE LOAN PORTOFOLIO ACQUIRED (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 02, 2016 | Dec. 31, 2015 | Dec. 31, 2014
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Business Acquisition [Line Items] |  |  |  |
Interest component of expected cash flows (accretable discount) | $ (8,738) |  | $ (6,925) | $ (2,541)
First Choice Bank |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Gross contractual receivable amounts at acquisition |  | $ 63,820 |  |
Contractual cash flows not expected to be collected (nonaccretable discount) |  | (21,926) |  |
Expected cash flows at acquisition |  | 41,894 |  |
Interest component of expected cash flows (accretable discount) |  | (5,417) |  |
Fair value of acquired loans |  | $ 36,477 |  |

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- Definition Amount of 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 + Details
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