Partners' Capital (Schedule Of Partners' Unit Activity) (Details)					3 Months Ended
	Mar. 31, 2013 Class C Convertible Preferred [Member]	Dec. 31, 2012 Class C Convertible Preferred [Member]	Mar. 31, 2013 General Partner [Member]	Dec. 31, 2012 General Partner [Member]	Mar. 31, 2013 Class B Units [Member]	Mar. 31, 2013 Limited Partners-Public Common [Member]	Mar. 31, 2013 Limited Partners-Affiliated - Common [Member]	Dec. 31, 2012 Limited Partners-Affiliated - Common [Member]
Partners' Unit Capital Activity [Line Items]
Beginning balance	16,666,667	16,666,667	51,036	51,036		51,299,278	7,145,866	7,145,866
Vested units awarded under our Long Term Incentive Performance Plan						6,323
Reduction in units to cover individuals' tax withholdings						(2,477)
Management incentive fee conversion					6,133,558
Ending balance	16,666,667	16,666,667	51,036	51,036	6,133,558	51,303,124	7,145,866	7,145,866