ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Movement of Warranty Reserve (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Warranty reserve, at the beginning of the period	$ 4,301	$ 4,048
Additions to warranty reserve	1,489	4,484
Claims fulfilled	(1,857)	(4,231)
Warranty reserve, at the end of the period	$ 3,933	$ 4,301