Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Income Taxes (Details)

v3.10.0.1
Income Taxes - Deferred Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred income tax assets:    
Federal net operating loss $ 101,662 $ 79,356
State net operating loss 59,126 46,571
Foreign net operating loss 34,407 35,710
Research and development expense 2,893 4,038
Tax credits 21,669 20,040
Stock options 30,430 28,830
Accruals 6,294 5,719
Equity investments 12,904 8,454
Bad debts 414 20,302
Lease liability 1,370 2,205
Foreign credits 10,837 11,113
Equity securities 2,447 2,406
Other 11,668 17,448
Deferred income tax assets 296,121 282,192
Deferred income tax liabilities:    
Intangible assets (250,640) (280,962)
Fixed assets (3,486) (5,572)
Other (2,272) (2,325)
Deferred income tax liabilities (256,398) (288,859)
Net deferred income tax assets (liabilities) 39,723 (6,667)
Valuation allowance (154,916) (142,062)
Net deferred income tax liabilities $ (115,193) $ (148,729)