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INVESTMENT SECURITIES - Equity and Other Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Equity and Other Securities [Abstract] |  |
Amortized cost | $ 51,653 | $ 43,917
Gross unrealized gains | 942 | 962
Gross unrealized losses | 0 | 0
Equity and other securities (cost of $51,653 and $43,917, respectively) | 52,595 | 44,879
Equity Securities, at Fair Value [Abstract] |  |
Amortized cost | 251 | 251
Gross unrealized gains | 192 | 212
Gross unrealized losses | 0 | 0
Fair value | 443 | 463
Federal Home Loan Bank Common Stock [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 13,199 | 7,188
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Fair value | 13,199 | 7,188
Federal Reserve Bank Stock [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 35,323 | 33,916
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Fair value | 35,323 | 33,916
Other Equity Securities [Member] |  |
Other Equity Securities, at Adjusted Cost [Abstract] |  |
Amortized cost | 2,880 | 2,562
Gross unrealized gains | 750 | 750
Gross unrealized losses | 0 | 0
Fair value | $ 3,630 | $ 3,312

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