Equity Investments - LNS (Details) - LNS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Upfront fees associated with the new concession	$ 97.7
Proportionate share of amortization of upfront fees	$ 1,089.8
Accounts receivable from equity method investment		$ 13.1