LOANS RECEIVABLE AND INVESTMENTS, NET - Summary of Net Loans Receivable and Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable
Total loans receivable and investments, net, amortized cost	$ 460,367	$ 167,975
Allowance	(3,235)	(3,235)
Total loans receivable and investments, net, carrying amount	457,131	164,740
Total loans receivable and investments, net, fair value	462,402	166,796
Non-mortgage loans receivable, net
Accounts, Notes, Loans and Financing Receivable
Total loans receivable and investments, net, amortized cost	23,966	24,062
Allowance	(3,235)	(3,235)
Total loans receivable and investments, net, carrying amount	20,730	20,827
Total loans receivable and investments, net, fair value	19,757	20,432
Secured loans receivable and investments
Accounts, Notes, Loans and Financing Receivable
Total loans receivable and investments, net, amortized cost	436,401	143,913
Allowance	0	0
Total loans receivable and investments, net, carrying amount	436,401	143,913
Total loans receivable and investments, net, fair value	$ 442,645	$ 146,364