PREPAID EXPENSES AND OTHER ASSETS - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Prepaid Expense and Other Assets [Abstract]
Prepaid insurance	$ 1,409	$ 1,205
Prepaid fees and services	2,118	2,299
Agent incentive advances	2,396	1,692
Agent advances receivable, net of allowance	2,386	1,514
Prepaid income taxes	1,175	747
Tenant allowance	0	1,621	$ 3,800
Prepaid expenses and other current assets	1,347	990
Prepaid expenses and other assets	$ 10,831	$ 10,068