XML 17 R3.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Statement Of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 2,312 $ 2,323
Long-term debt, debt discount and issuance costs $ 5,795 $ 1,217
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 400,000,000 300,000,000
Common stock, issued 267,315,526 266,259,083
Common stock, outstanding 213,614,430 222,456,472
Treasury stock, shares 53,701,096 43,802,611