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LOANS AND ALLOWANCE FOR LOAN LOSSES (Unamortized fair value mark and costs) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Loans and Leases Receivable Disclosure [Line Items] |  |  |
Net Unamortized fair Value Mark (Discount) on Loans |  | $ (1,667) | $ (2,593)
Loans and Leases Receivable, Deferred Income | [1] | (2,439) | 3,111
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums |  | (4,106) | $ 518
SBA PPP Portfolio Segment |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Loans and Leases Receivable, Deferred Income | [1] | $ 5,400 |
[1] | (1) The change in net unamortized loan (fees) origination costs from December 31, 2019 to September 30, 2020, was primarily driven by origination fees capitalized upon origination of SBA PPP loans during the second and third quarters of 2020. As of September 30, 2020, unamortized loan fees on originated SBA PPP loans were $5.4 million.

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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121568338&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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- Definition Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533 + Details
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