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INVESTMENT SECURITIES, Equity and Other Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Equity and Other Securities [Abstract] |  |
Amortized cost | $ 42,579 | $ 42,965
Gross unrealized gains | 948 | 950
Gross unrealized losses | 28 | 0
Equity and other securities (cost of $42,965 and $44,678, respectively) | 43,499 | 43,915
Equity Securities, at Fair Value [Abstract] |  |
Amortized cost | 251 | 251
Gross unrealized gains | 198 | 200
Gross unrealized losses | 28 | 0
Fair value | 421 | 451
Federal Home Loan Bank Common Stock [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 6,857 | 7,246
Fair value | 6,857 | 7,246
Federal Reserve Bank Common Stock [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 30,922 | 30,922
Fair value | 30,922 | 30,922
Other Equity Securities [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 4,549 | 4,546
Gross unrealized gains | 750 | 750
Fair value | $ 5,299 | $ 5,296

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