SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents and Securities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Accounting Policies [Abstract]
Accrued interest receivable on securities	$ 0.7	$ 1.9
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable and other assets	Accrued interest receivable and other assets