CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	68,925,745	66,619,711
Common stock, shares outstanding	68,807,043	66,619,711
Preferred stock, $0.01 par value, 49,675,000 shares authorized; no shares issued or outstanding
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	49,675,000	49,675,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Series A mandatorily convertible preferred stock, $0.01 par value, $358,550 and $325,000 liquidation value at December 31, 2013 and December 31, 2012, respectively; 8% cumulative dividends; 325,000 shares issued and outstanding
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares issued	325,000	325,000
Preferred stock, shares outstanding	325,000	325,000
Preferred stock, liquidation value (in dollars per share)	$ 358,550	$ 325,000
Preferred stock, cumulative dividends (as a percent)	8.00%	8.00%