Subsequent Events - Jason Rabin Employment Agreement and Inducement Grant (Details) - shares		9 Months Ended
	Oct. 29, 2018	Sep. 30, 2018
RSUs
Jason Rabin Employment Agreement and Inducement Grant
Granted (in shares)		1,023,485
Subsequent Events | Employment Agreement and Inducement Grant | Chief Executive Officer | RSUs
Jason Rabin Employment Agreement and Inducement Grant
Granted (in shares)	4,100,000
Subsequent Events | Employment Agreement and Inducement Grant | Chief Executive Officer | PSUs
Jason Rabin Employment Agreement and Inducement Grant
Granted (in shares)	500,000