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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets:        
Net operating loss carryforwards $ 2,127,233 $ 2,079,896    
Insurance reserves and accruals 296,423 276,625    
Stock-based compensation 19,132 38,066    
Capitalized research expenses 163,370 0    
Accrued legal settlement/fees 114,963 89,680    
Lease liability 55,579 66,211    
Accrued and other liabilities 76,311 64,555    
Total deferred tax assets 2,853,011 2,615,033    
Less: Valuation allowance (2,706,982) (2,408,647) $ (2,144,548) $ (1,751,118)
Deferred tax assets, net of valuation allowance 146,029 206,386    
Deferred tax liabilities:        
State income taxes (124,982) (115,768)    
Operating lease right of use assets (36,379) (59,838)    
Convertible senior notes 0 (31,892)    
Total deferred tax liabilities (161,361) (207,498)    
Net deferred tax assets (liabilities) $ (15,332) $ (1,112)