v3.26.3
Business Combinations - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Aug. 07, 2026
Aug. 22, 2025
Mar. 11, 2025
Feb. 03, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Business Combination [Line Items]                    
Goodwill         $ 488,142,000   $ 488,142,000     $ 470,211,000
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities         (35,000) $ (276,000) (282,000) $ 45,692,000    
Net revenue         411,537,000 334,206,000 1,142,139,000 904,578,000    
Net loss, basic         (14,851,000) (79,982,000) (135,128,000) (190,862,000)    
Payment to acquire business net of cash acquired             2,763,000 375,025,000    
Maximum [Member]                    
Business Combination [Line Items]                    
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities         0 (300,000) (300,000) 45,700,000    
Diagnostics [Member]                    
Business Combination [Line Items]                    
Net revenue [1]         $ 303,470,000 252,878,000 853,901,000 688,525,000    
Paige.AI, Inc. [Member]                    
Business Combination [Line Items]                    
Goodwill   $ 141,130,000                
Business combination aggregate consideration transferred   101,517,000         0      
Payments to acquire businesses, gross   2,983,000                
Business combination consideration transferred equity interests issued and issuable   98,534,000                
Number of treasury shares released         15,985          
Assumed remaining purchase commitments   39,500,000                
Business combination consideration in the form of shares held back   6,900,000                
Decrease to the acquisition price   1,200,000                
Transaction costs         $ 900,000   900,000      
Acquisition-related costs         $ 0 400,000 0 900,000    
Net loss, basic           2,400,000   2,400,000    
Employees as consideration for transaction bonuses   3,000,000                
Paige.AI, Inc. [Member] | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                    
Business Combination [Line Items]                    
Business combination consideration in the form of shares held back   $ 6,900,000                
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                
Released shares         69,981          
Class A common stock, closing price   $ 80.52                
Ambry [Member]                    
Business Combination [Line Items]                    
Goodwill       $ 234,635,000            
Business combination aggregate consideration transferred       692,343,000            
Payments to acquire businesses, gross       394,296,000            
Base cash consideration       375,000,000            
Business combination consideration transferred equity interests issued and issuable       298,047,000            
Amount owed to acquiree under preexisting relationship       3,800,000            
Decrease to the acquisition price               3,000,000    
Transaction costs                 $ 7,400,000  
Acquisition-related costs         $ 0 100,000 0 4,600,000    
Goodwill, expected to be deductible for tax purposes       $ 600,000            
Tax benefit from release of a portion of valuation allowance attributable to estimated deferred tax liabilities           46,200,000   46,200,000    
Net loss, basic           2,400,000   10,100,000    
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           $ 102,600,000   $ 263,400,000    
Deep 6 [Member]                    
Business Combination [Line Items]                    
Goodwill     $ 21,000,000              
Business combination aggregate consideration transferred     17,400,000       $ 0      
Payments to acquire businesses, gross     4,300,000              
Number of treasury shares released         4,217          
Business combination consideration in the form of shares held back     800,000              
Decrease to the acquisition price     200,000              
Deep 6 [Member] | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                    
Business Combination [Line Items]                    
Business combination consideration in the form of shares held back     600,000              
Deep 6 [Member] | Common Class A [Member]                    
Business Combination [Line Items]                    
Business combination consideration transferred equity interests issued and issuable     $ 13,100,000              
Released shares         13,155          
Center Health                    
Business Combination [Line Items]                    
Goodwill $ 18,000,000                  
Business combination aggregate consideration transferred 18,800,000                  
Payments to acquire businesses, gross 5,400,000                  
Business combination consideration in the form of shares held back $ 2,000,000                  
Center Health | Common Class A [Member]                    
Business Combination [Line Items]                    
Business acquisition equity interests issued or issuable number of shares issued 255,885                  
Class A common stock, closing price $ 52.05                  
[1] Includes related party revenue from Pathos AI, Inc. of $0 and $225 for the three months ended September 30, 2026 and 2025, respectively. Includes related party revenue from Pathos AI, Inc. of $190 and $226 for the nine months ended September 30, 2026 and 2025, respectively. Refer to Note 16, Related Parties.