CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2019	Dec. 31, 2018
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	132,891,595	83,625,000
Common Stock, Shares, Outstanding	128,762,201	82,497,009
Treasury stock, shares outstanding	4,129,394	1,127,991