CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Allowance for credit loss	$ 28,669	$ 24,726
Treasury stock (shares)	194,708,000	194,708,000
Common stock $.001 par value; authorized 1,600,000 shares; issued 263,502 and 263,230 shares, respectively, and outstanding 79,162 and 78,890 shares, respectively
Par value of common stock (USD per share)	$ 0.001	$ 0.001
Common stock authorized (shares)	1,600,000,000	1,600,000,000
Common stock issued (shares)	263,502,000	263,230,000
Common stock outstanding (shares)	79,162,000	78,890,000
Class B convertible common stock $.001 par value; authorized 400,000 shares; issued 16,157 shares and outstanding 5,789 shares
Par value of common stock (USD per share)	$ 0.001	$ 0.001
Common stock authorized (shares)	400,000,000	400,000,000
Common stock issued (shares)	16,157,000	16,157,000
Common stock outstanding (shares)	5,789,000	5,789,000