XML 127 R105.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets    
Net operating losses $ 144,064 $ 10,142
Research tax credits 82,378 13,475
Foreign tax credits 106,795  
Expenses not currently deductible 44,232 14,276
Basis difference in fixed and intangible assets 7,206 3,593
Deferred revenue 20,828  
Capitalized research expenses 61,296 23,785
Lease liability 17,995 364
Gross deferred tax assets 484,794 65,635
Valuation allowance (287,895) (37,243)
Net deferred tax assets 196,899 28,392
Deferred tax liabilities    
Revenue recognition (7,733) (32,466)
Operating leases (17,535) (2,665)
Acquired intangible assets, domestic (185,662) (17,165)
Acquired intangible assets, foreign (33) (2,171)
Other (3,004)  
Net deferred tax liabilities $ (17,068) $ (26,075)