SECURITIES - Summary of amortized cost of securities held to maturity and their estimated fair value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 33,659	$ 33,705
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(4,280)	(4,590)
Estimated Fair Value	29,379	29,115
Corporate Bonds
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	18,600	18,600
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(2,365)	(2,281)
Estimated Fair Value	16,235	16,319
Asset-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	15,059	15,105
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(1,915)	(2,309)
Estimated Fair Value	$ 13,144	$ 12,796