Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Statement of Financial Position [Abstract]      
Accounts receivable, allowance $ 15,854 $ 19,086 $ 17,197
Preferred stock, par value (usd per share) $ 0.01 $ 0.01 $ 0.01
Preferred stock, authorized shares (shares) 25,000,000 25,000,000 25,000,000
Preferred stock, issued shares (shares) 0 0 0
Common stock, par value (usd per share) $ 0.01 $ 0.01 $ 0.01
Common stock, authorized shares (shares) 300,000,000 300,000,000 300,000,000
Common stock, issued shares (shares) 52,415,824 52,239,795 52,266,366