SECURITIES - Summary of amortized cost and fair value of debt securities shown by contractual maturity (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Amortized Cost
Due in one year or less	$ 6,421
Due from one year to five years	87,166
Due from five to ten years	55,412
Due after ten years	16,686
Mortgage-backed and asset-backed securities	158,116
Total	323,801
Estimated Fair Value
Due in one year or less	6,479
Due from one year to five years	87,673
Due from five to ten years	56,684
Due after ten years	17,268
Mortgage-backed and asset-backed securities	156,788
Total	324,892
Amortized Cost
Due from one year to five years	6,071
Due from five to ten years	16,210
Due after ten years	1,000
Total	23,281
Estimated Fair Value
Due from one year to five years	5,947
Due from five to ten years	15,902
Due after ten years	1,000
Total	$ 22,849