Common Stock (Details) shares in Millions		6 Months Ended
	Jun. 19, 2015	Jun. 30, 2015 director item $ / shares shares	Dec. 31, 2014 shares
Common Stock Disclosure
Authorized common stock (in shares)		82.0
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001
Common stock outstanding (in shares)		7.1	6.9
Number of votes | item		1
Number of directors | director		2
Stock split conversion	0.6135