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INVESTMENT SECURITIES (Maturity Distribution) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 39,614 |
Due after one through five years | 264,747 |
Due after five year through ten years | 66,347 |
Total Amortized cost | 646,546 | $ 321,191
Market Value |  |
Due in one year or less | 39,423 |
Due after one through five years | 263,661 |
Due after five year through ten years | 65,614 |
Total Market Value | 645,844 | 324,870
Amortized Cost |  |
Due in one year or less | 0 |
Due after one through five years | 115,903 |
Due after five year through ten years | 0 |
Total Investment Securities | 341,228 | 169,939
Market Value |  |
Due in one year or less | 0 |
Due after five year through ten years | 115,555 |
Due after five year through ten years | 0 |
Total Investment Securities | 344,285 | 175,175
Mortgage-Backed Securities [Member] |  |
Amortized Cost |  |
Due without single maturity date | 97,131 |
Total Amortized cost | 97,131 | 456
Market Value |  |
Due without single maturity date | 97,207 |
Total Market Value | 97,207 | 515
Amortized Cost |  |
Due without single maturity date | 225,325 |
Total Investment Securities | 225,325 | 164,938
Market Value |  |
Due without single maturity date | 228,730 |
Total Investment Securities | 228,730 | 170,161
U.S. Government Agency [Member] |  |
Amortized Cost |  |
Due without single maturity date | 171,912 |
Total Amortized cost | 249,649 | 205,972
Market Value |  |
Due without single maturity date | 173,144 |
Total Market Value | 250,472 | $ 208,531
Amortized Cost |  |
Due without single maturity date | 0 |
Market Value |  |
Due without single maturity date | 0 |
Equity Securities [Member] |  |
Amortized Cost |  |
Due without single maturity date | 6,795 |
Market Value |  |
Due without single maturity date | 6,795 |
Amortized Cost |  |
Due without single maturity date | 0 |
Market Value |  |
Due without single maturity date | $ 0 |

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