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SECURITIES (Textual) (Details) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) numberOfSecurities numberOfSalesOfSecurities | Sep. 30, 2020 USD ($) numberOfSalesOfSecurities numberOfSecurities | Dec. 31, 2020 numberOfSecurities
Investments, Debt and Equity Securities [Abstract] |  |  |
Trading Securities, Number of Securities on Nonaccrual Status | 0 |  | 0
Debt Securities, Available-for-sale [Abstract] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 84 |  | 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 | 1 | 1 |
Held-to-maturity Securities, Number of Securities in Nonaccrual Status | 0 |  | 0
Trading Securities, Number of Securities Sold | 0 | 0 |
Debt Securities, Trading, Unrealized Gain | $ | $ 1,900,000 |  |
Debt Securities, Trading, Unrealized Loss | $ |  | $ 2,400,000 |
Proceeds from Sale of Equity Securities, FV-NI | $ | 4,800,000 |  |
Equity Securities, FV-NI, Realized Gain (Loss) | $ | $ 46,000 |  |

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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