XML 18 R3.htm IDEA: XBRL DOCUMENT v3.20.4
CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Allowance and reserves $ 27,839 $ 20,293
Treasury stock (shares) 15,905,000 7,326,000
Class A Common Stock    
Common stock, par value (USD per share) $ 0.001 $ 0.001
Common stock authorized (shares) 2,000,000,000 2,000,000,000
Common stock issued (shares) 94,238,000 87,007,000
Common stock outstanding (shares) 78,333,000 79,681,000
Class B Common Stock    
Common stock, par value (USD per share) $ 0.001 $ 0.001
Common stock authorized (shares) 1,500,000,000 1,500,000,000
Common stock issued (shares) 421,862,000 421,570,000
Common stock outstanding (shares) 421,862,000 421,570,000
Class C Common Stock    
Common stock, par value (USD per share) $ 0.001 $ 0.001
Common stock authorized (shares) 1,500,000,000 1,500,000,000
Common stock issued (shares) 0 0
Common stock outstanding (shares) 0 0