Common Stock (Details)		12 Months Ended
	Jul. 08, 2016	Feb. 28, 2018 vote	Jul. 07, 2016 $ / shares
Class of Stock [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.25
Fair Value Per Share | $ / shares			$ 0.695
Class A Common Stock
Class of Stock [Line Items]
Number of votes per share of common stock		1
Class B Common Stock
Class of Stock [Line Items]
Number of votes per share of common stock		10
Class C Common Stock
Class of Stock [Line Items]
Number of votes per share of common stock		0