Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Concentration (Details)						12 Months Ended
	Dec. 31, 2013 Customer	Dec. 31, 2012 Customer	Dec. 31, 2011 Customer	Jun. 30, 2011 Customer	Dec. 31, 2010 Customer	Dec. 31, 2013 Customer One [Member]	Dec. 31, 2013 Customer Concentration Risk [Member] Customer	Dec. 31, 2012 Customer Concentration Risk [Member] Customer	Dec. 31, 2011 Customer Concentration Risk [Member] Customer	Jun. 30, 2011 Customer Concentration Risk [Member] Customer	Dec. 31, 2010 Customer Concentration Risk [Member] Customer
Concentration Risk [Line Items]
Number of customers represented more than ten percent of the accounts receivable balance	0	0	0	0	0
Percentage of Revenues, Customers Exceeded Individually						10.00%
Number Of Significant Revenue Customers							0	0	0	0	0
Percentage Of Revenue						10.00%