Subsequent Events (Securitization Facility and Warrant Agreement) (Details) - USD ($)	Oct. 05, 2016	Sep. 30, 2016	Jan. 13, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Securitized accounts receivable			$ 200,000,000
Common stock, par value (in usd per share)		$ 0.01		$ 0.01
Subsequent Event [Member]
Subsequent Event [Line Items]
Securitized accounts receivable	$ 200,000,000
Term of securitization agreement	3 years
Securitization agreement liquidity covenant amount	$ 175,000,000
Number of consecutive days under liquidity threshold	60 days
Number of securities called by each warrant (in shares)	1
Exercise price of warrants (in usd per share)	$ 57.00
Percentage of listed common stock	90.00%
Number of shares of common stock underlying warrant multiplier	$ 0
Subsequent Event [Member] | Class A Common Stock [Member]
Subsequent Event [Line Items]
Aggregate number of securities called by warrants (in shares)	1,914,856
Common stock, par value (in usd per share)	$ 0.01