v3.26.1
Business Combinations - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 22, 2025
Mar. 11, 2025
Feb. 03, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Dec. 31, 2025
Business Combination [Line Items]              
Goodwill       $ 470,169     $ 470,211
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities       62 $ 46,180    
Net revenue       348,116 255,737    
Net (loss) income       (125,919) (68,037)    
Payment to acquire business net of cash acquired       0 380,762    
Maximum [Member]              
Business Combination [Line Items]              
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities       100 46,200    
Diagnostics [Member]              
Business Combination [Line Items]              
Net revenue       261,098 193,804    
Paige.AI, Inc. [Member]              
Business Combination [Line Items]              
Goodwill $ 141,130            
Business combination aggregate consideration transferred 101,517            
Payments to acquire businesses, gross 2,983            
Business combination consideration transferred equity interests issued and issuable 98,534            
Assumed remaining purchase commitments 39,500            
Business combination consideration in the form of shares held back 6,900            
Decrease to the acquisition price 1,200            
Employees as consideration for transaction bonuses 3,200           $ 3,000
Paige.AI, Inc. [Member] | Other Long-term Liabilities [Member]              
Business Combination [Line Items]              
Business combination consideration in the form of shares held back $ 6,900            
Paige.AI, Inc. [Member] | Common Class A [Member]              
Business Combination [Line Items]              
Business acquisition equity interests issued or issuable number of shares issued 1,256,977            
Class A common stock, closing price $ 80.52            
Ambry [Member]              
Business Combination [Line Items]              
Goodwill     $ 234,635        
Business combination aggregate consideration transferred     692,343        
Payments to acquire businesses, gross     394,296        
Base cash consideration     375,000        
Business combination consideration transferred equity interests issued and issuable     298,047        
Amount owed to acquiree under preexisting relationship     3,800        
Decrease to the acquisition price           $ 3,000  
Transaction costs       7,400      
Acquisition-related costs       $ 0 3,000    
Goodwill, expected to be deductible for tax purposes     $ 600        
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities         46,200    
Net (loss) income         5,500    
Ambry [Member] | Securities Purchase Agreement [Member]              
Business Combination [Line Items]              
Business acquisition equity interests issued or issuable number of shares issued     4,843,136        
Ambry [Member] | Common Class A [Member] | Securities Purchase Agreement [Member]              
Business Combination [Line Items]              
Class A common stock, closing price     $ 61.54        
Stock issued during period number of shares subject to lock in period     2,152,505        
Ambry [Member] | Diagnostics [Member]              
Business Combination [Line Items]              
Net revenue         $ 63,500    
Deep 6 [Member]              
Business Combination [Line Items]              
Goodwill   $ 21,000          
Business combination aggregate consideration transferred   17,400          
Payments to acquire businesses, gross   4,300          
Business combination consideration in the form of shares held back   800          
Decrease to the acquisition price   200          
Deep 6 [Member] | Other Long-term Liabilities [Member]              
Business Combination [Line Items]              
Business combination consideration in the form of shares held back   600          
Deep 6 [Member] | Common Class A [Member]              
Business Combination [Line Items]              
Business combination consideration transferred equity interests issued and issuable   $ 13,100