PROPERTY AND EQUIPMENT, NET - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 380,441	$ 352,116
Less: accumulated depreciation	48,735	32,528
Property and equipment, net	331,706	319,588
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	12,518	12,194
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	1,643	1,615
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	97,307	78,024
Vehicles and aviation
Property, Plant and Equipment [Line Items]
Total property and equipment	17,635	15,546
Recharge sites
Property, Plant and Equipment [Line Items]
Total property and equipment	18,003	12,045
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	27,484	25,888
Buildings and structures
Property, Plant and Equipment [Line Items]
Total property and equipment	189,144	182,058
Land improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	1,239	1,239
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	2,232	593
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 13,236	$ 22,914