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SECURITIES (Textual) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) numberOfSecurities numberOfSalesOfSecurities | Mar. 31, 2020 USD ($) numberOfSalesOfSecurities numberOfSecurities | Dec. 31, 2020 numberOfSecurities
Investments, Debt and Equity Securities [Abstract] |  |  |
Trading Securities, Number of Securities on Nonaccrual Status | 0 |  | 0
Trading Securities, Unrealized Holding Loss | $ |  | $ (4,600,000) |
Trading Securities, Unrealized Holding Gain | $ | $ 59,000 |  |
Debt Securities, Available-for-sale [Abstract] |  |  |
Available-for-sale Securities, Number of Securities in Unrealized Loss Position | 81 |  | 54
Available-for-sale Securities, Number of Securities in Nonaccrual Status | 0 |  | 0
Held-to-maturity Securities [Abstract] |  |  |
Held-to-maturity Securities, Number of Securities Sold | numberOfSalesOfSecurities | 0 | 0 |
Held-to-maturity Securities, Number of Securities in Nonaccrual Status | 0 |  | 0
Trading Securities, Number of Securities Sold | 0 | 0 |
Trading Securities, Unrealized Holding Loss | $ |  | $ 4,600,000 |

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- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 + Details
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