SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details) $ in Thousands	Sep. 30, 2026 USD ($) item	Dec. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)
Restricted Cash
Restricted cash \| $	$ 12,266	$ 34,652	$ 8,289
Commercial loans and investments, reserve accounts, number \| item	6

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.