Equity - (Details)	3 Months Ended
	Dec. 31, 2016 vote $ / shares shares	Sep. 30, 2016 shares
Class of Stock [Line Items]
Shares authorized (in shares)	300,000,000	300,000,000
Number of votes per common share | vote	1
Shares issued (in shares)	89,286,936	89,286,936
Shares outstanding (in shares)	89,286,936	89,286,936
Warrants (in shares)	50,025,000
Common stock to be purchased through warrants (in shares)	25,012,500
Strike price of warrants (in USD per share) | $ / shares	$ 11.50
Preferred shares authorized (in shares)	1,000,000	1,000,000
Preferred shares issued (in shares)	0	0
Preferred shares outstanding (in shares)	0	0
Founders Shares
Class of Stock [Line Items]
Shares, Issued	12,476,250
Percentage of shares subject to condition one	50.00%
Sale price equals or exceeds, condition one (USD per share) | $ / shares	$ 12.50
Number of trading days to meet condition one	20 days
Number of consecutive trading days	30 days
Percentage of shares subject to condition two	50.00%
Sale price equals or exceeds, condition two (USD per share) | $ / shares	$ 15.00