Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.19.2
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Schedule Of Significant Accounting Policies [Line Items]              
Property, equipment, and software, net $ 156,213   $ 156,213       $ 153,528
Bad debt expense 400 $ 1,500 1,500 $ 2,100      
Right-of-use assets 42,896   42,896        
Lease liability 48,359   48,359        
Right-of-use assets (56,226)   (56,226)        
Lease liability (78,268)   $ (78,268)        
Length of Expected Customer Benefit of License Fees Billed at Initial Order Date              
Schedule Of Significant Accounting Policies [Line Items]              
Expected length of time of benefit from license fees     3 years        
United States              
Schedule Of Significant Accounting Policies [Line Items]              
Property, equipment, and software, net 147,300   $ 147,300       144,300
International Subsidiaries              
Schedule Of Significant Accounting Policies [Line Items]              
Property, equipment, and software, net $ 8,900   $ 8,900       $ 9,200
Accounting Standards Update 2016-02              
Schedule Of Significant Accounting Policies [Line Items]              
Right-of-use assets         $ (36,400) $ 73,900  
Lease liability         (58,600) $ 101,500  
Right-of-use assets         (58,200)    
Lease liability         $ (80,400)