SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Changes in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 428	$ 429	$ 536
Expected losses	651	179	10
Write-offs, net of recoveries	0	(180)	(117)
Balance at end of year	$ 1,079	$ 428	$ 429