Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets, Current [Abstract]
Accounts receivable — related parties	$ 11.3	$ 11.4
Loans — related parties	$ 4.1	$ 4.1
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, shares issued	91,683,127	82,592,607
Common stock, shares outstanding	91,683,127	82,592,607
Cumulative Preferred Stock Subject to Mandatory Redemption [Member]
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, liquidation preference per share	$ 1,000	$ 1,000