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Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Customer
Jun. 30, 2026
USD ($)
Segment
Customer
Jun. 30, 2025
USD ($)
Customer
Dec. 31, 2025
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Number of reporting segments | Segment     2    
Contract with customer liability, revenue recognized $ 200,000 $ 300,000 $ 900,000 $ 200,000  
Contract assets 0   0   $ 0
Reclassification from other comprehensive income (loss) 0 0 0 0  
Tax expense of foreign currency translation income (loss) 0 0 0 0  
Tax effects related to unrealized holding gain on available-for-sale debt securities 0 0 0 0  
Variable consideration $ 0 $ 0 $ 0 $ 0  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true   true    
Change in Accounting Principle, Accounting Standards Update, Adoption Date Mar. 31, 2026   Mar. 31, 2026    
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true   true    
Accounting Standards Update [Extensible Enumeration]     Accounting Standards Update 2025-05 [Member]    
Insurance Customer          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of accounts receivable from contract 55.00%   55.00%   50.00%
Institutional Customer          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of accounts receivable from contract 45.00%   45.00%   50.00%
Customer Concentration Risk | Laboratory Services | Revenue | Customer One          
Summary Of Significant Accounting Policies [Line Items]          
Number of customers | Customer   1 1 1  
Revenues   $ 17,600,000 $ 16,100,000 $ 35,200,000  
Concentration risk, percentage   22.00% 10.00% 23.00%  
Customer Concentration Risk | Laboratory Services | Accounts Receivable | Customer One          
Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage         13.00%
Minimum          
Summary Of Significant Accounting Policies [Line Items]          
Intangible asset, useful life 3 years   3 years    
Maximum          
Summary Of Significant Accounting Policies [Line Items]          
Intangible asset, useful life 18 years   18 years