LEASES - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Lessee Lease Description [Line Items]
Operating lease right-of-use assets	$ 12,800,000		$ 12,800,000		$ 12,873,000
Operating lease liabilities	$ 13,595,000		$ 13,595,000		$ 13,704,000
Weighted average discount rate	2.71%		2.71%		2.63%
Weighted average lease term	6 years 10 months 2 days		6 years 10 months 2 days		7 years 5 months 23 days
Operating lease costs	$ 792,000	$ 868,000	$ 2,400,000	$ 2,600,000
Variable lease costs	$ 58,000	$ 76,000	$ 200,000	$ 229,000
Minimum [Member]
Lessee Lease Description [Line Items]
Remaining lease term			7 months		3 months
Maximum [Member]
Lessee Lease Description [Line Items]
Remaining lease term			13 years		14 years