INVESTMENT SECURITIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
INVESTMENT SECURITIES
Fair value of debt securities reported less than their historical cost	$ 533,500		$ 533,500		$ 456,900
Available sale of debt securities reported less than their historical cost percent of investment portfolio	97.20%		97.20%		95.50%
Amortized Carrying Value	$ 191,224		$ 191,224		$ 195,023
Total fair value of held-to-maturity	165,165		165,165		$ 171,193
Available for sale securities sold	0	$ 0	0	$ 0
Allowance for credit losses on securities	$ 0		$ 0