Equity (Warrants) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants, term	5 years
Warrants
Warrants, Number of Warrants [Roll Forward]
Warrants outstanding, beginning of period (in shares)		1,284,816
Warrants outstanding, end of period (in shares)	42,400	1,284,816
Warrants, Weighted-Average Exercise Price per Warrant [Roll Forward]
Warrants outstanding, beginning of period (in dollars per share)		0.90
Warrants outstanding, end of period (in dollars per share)	1.09	0.90
Other | Warrants
Warrants, Number of Warrants [Roll Forward]
Warrants exercised (in shares)	(1,242,416)
Warrants, Weighted-Average Exercise Price per Warrant [Roll Forward]
Warrants exercised (in dollars per share)	0.90