SECURITIES - Summary of amortized cost and fair value of debt securities shown by contractual maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Term of mortgage and asset backed securities, maturity (exceeds)	20 years
Amortized Cost
Due in one year or less	$ 42,941
Due from one year to five years	28,331
Due from five to ten years	43,011
Due after ten years	6,990
Mortgage-backed and asset-backed securities	192,412
Amortized Cost	313,685	$ 314,465
Estimated Fair Value
Due in one year or less	42,796
Due from one year to five years	27,878
Due from five to ten years	40,700
Due after ten years	5,118
Mortgage-backed and asset-backed securities	174,314
Total	290,806	283,766
Amortized Cost
Due from five to ten years	18,600
Mortgage-backed and asset-backed securities	14,641
Amortized Cost	33,241	33,412
Estimated Fair Value
Due from five to ten years	15,611
Mortgage-backed and asset-backed securities	13,646
Estimated Fair Value	$ 29,257	$ 28,323