OTHER ASSETS, NET - Narrative (Details) $ in Thousands		1 Months Ended		3 Months Ended	9 Months Ended
OTHER ASSETS, NET - Narrative (Details) $ in Thousands	Mar. 16, 2026	Jul. 31, 2025	May 31, 2020 milestone	Sep. 30, 2026 USD ($)	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Aug. 11, 2026
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Financial Accountability Milestones			4
Number of Financial Accountability Milestones completed on time			3
Request for exemptive relief, percentage of costs							20.00%
Provision for notes receivable credit losses \| $				$ 6,300	$ 6,268	$ 0
2003 Funding Order
Financing Receivable, Allowance for Credit Loss [Line Items]
Stay period		60 days
Revised funding model operational period	2 years
2003 Funding Order \| Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Historical cost recoupment period	2 years
2003 Funding Order \| Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Historical cost recoupment period	5 years