MARKETABLE SECURITIES - Narrative (Details)	3 Months Ended				9 Months Ended
	Sep. 30, 2023 USD ($) Position	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2023 USD ($) Position Security	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Allowance for credit losses for available for sale debt securities	$ 0				$ 0		$ 0
Number of investment in an unrealized loss position | Position	292				292
Number of investment in an sale debt securities | Position	77				77
Percentage of unrealized loss exceeds book value					20.00%
Number of securities other than agencies amount | Security					0
Available for sale securities transferred to held to maturity, net of unrealized gain				$ 10,235,000
Available for sale securities transferred to held to maturity			$ 106,157,000	$ 172,292,000	$ 0	$ 106,157,000
Available for sale securities transferred to held to maturity, net of unrealized loss			$ 13,186,000		13,186,000	13,186,000
Fair value of securities pledged as collateral	$ 292,192,000				292,192,000		396,584,000
Accumulated other comprehensive income	6,791,000				6,791,000		$ 5,861,000
Proceeds from sales	0	$ 0			21,268,000	0
Gross gains	0	0			184,000	0
Gross losses	$ 0	$ 0			$ (413,000)	$ 0