v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Business Combination [Line Items]          
Accumulated deficit $ (549,610)   $ (549,610)   $ (487,433)
Net loss $ (29,692) $ (34,927) $ (62,177) $ (56,063)  
Customer One | Accounts Receivable | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage     56.00%   93.00%
Customer One | Revenue Benchmark | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage 41.00% 50.00% 54.00% 52.00%  
Customer Two | Accounts Receivable | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage     16.00%    
Customer Two | Revenue Benchmark | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage 21.00% 31.00% 22.00% 19.00%  
Customer Three | Accounts Receivable | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage     12.00%    
Customer Three | Revenue Benchmark | Customer Concentration Risk          
Business Combination [Line Items]          
Concentration risk percentage 21.00% 10.00% 10.00% 15.00%