Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Jun. 01, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Balance Sheets
Preferred stock, authorized shares	20,000,000	20,000,000	20,000,000
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01
Preferred stock, outstanding shares	0		0
Common stock, authorized shares	200,000,000	200,000,000	200,000,000
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01
Common stock, outstanding shares	42,542,637		38,818,048	38,564,000