Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Acquisitions - Additional Information (Detail)

v3.10.0.1
Acquisitions - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 10, 2018
Dec. 31, 2015
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Business Acquisition [Line Items]          
Amortization of intangible assets     $ 5,928 $ 6,995 $ 7,272
Genoptix          
Business Acquisition [Line Items]          
Cash consideration paid $ 127,000        
Payment for working capital adjustment $ 2,000        
Common stock issued (in shares) 1,000,000        
Identifiable intangible assets $ 71,792        
Amortization of intangible assets     300    
Acquired recievable 16,700        
Fair value adjustment 1,400        
Acquisition related costs     $ 2,300    
Genoptix | Customer Relationships          
Business Acquisition [Line Items]          
Identifiable intangible assets 56,600        
Intangible assets, useful life   15 years      
Genoptix | Trade Names          
Business Acquisition [Line Items]          
Identifiable intangible assets $ 700        
Intangible assets, useful life   2 years      
Genoptix | Common Stock          
Business Acquisition [Line Items]          
Common stock issued (in shares) 1,000,000.0        
Trademarks | Genoptix          
Business Acquisition [Line Items]          
Identifiable intangible assets $ 14,600