FAIR VALUE MEASUREMENT - Schedule of Assets Not Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Assets:
Cash, cash equivalents and restricted cash	$ 229,634	$ 226,518
Fees and other receivables	135,970	127,114
Liabilities:
Long-term debt	360,522	366,396
Exchangeable notes	179,214	163,360
Secured borrowing	180,706	177,554
Accrued interest receivable	16,100	14,300
Carrying Value
Assets:
Cash, cash equivalents and restricted cash	229,634	226,518
Fees and other receivables	135,970	127,114
Liabilities:
Long-term debt	317,919	321,317
Exchangeable notes	146,925	146,342
Secured borrowing	178,749	176,089
Fair Value | Level 1
Assets:
Cash, cash equivalents and restricted cash	229,634	226,518
Fees and other receivables	0	0
Liabilities:
Long-term debt	0	0
Exchangeable notes	0	0
Secured borrowing		0
Fair Value | Level 2
Assets:
Cash, cash equivalents and restricted cash	0	0
Fees and other receivables	68,891	63,143
Liabilities:
Long-term debt	0	0
Exchangeable notes	179,214	163,360
Secured borrowing	0	0
Fair Value | Level 3
Assets:
Cash, cash equivalents and restricted cash	0	0
Fees and other receivables	67,079	63,971
Liabilities:
Long-term debt	360,522	366,396
Exchangeable notes	0	0
Secured borrowing	$ 180,706	$ 177,554