(2) | Includes distributions of $2.6 million on Series C participating preferred units, $4.4 million on Series D perpetual preferred units, $3.6 million on Series E perpetual preferred units, $2.3 million on Series F perpetual preferred units and $1.7 million on Series G perpetual preferred units for the three months ended March 31, 2018. Includes distributions of $4.7 million on Series A participating preferred units, $4.1 million on Series B participating preferred units, $10.5 million on Series C participating preferred units, $17.5 million on Series D perpetual preferred units, $14.6 million on Series E perpetual preferred units, $6.2 million on Series F perpetual preferred units and $3.1 million on Series G perpetual preferred units for the year ended December 31, 2017. Includes distributions of $6.3 million on Series A participating preferred units, $5.5 million on Series B participating preferred units, $10.5 million on Series C participating preferred units, $10.6 million on Series D perpetual preferred units, $7.4 million on Series E perpetual preferred units and $3.0 million on Series C convertible units for the year ended December 31, 2016. Includes distributions of $6.3 million on Series A participating preferred units, $5.5 million on Series B participating preferred units, $10.5 million on Series C participating preferred units and $18.8 million on Series C convertible units for the year ended December 31, 2015. Includes distributions of $6.3 million on Series A participating preferred units, $5.7 million on Series B participating preferred units, $6.9 million on Series C participating preferred units and $18.6 million on Series C convertible units for the year ended December 31, 2014. Includes distributions of $1.2 million on Series A participating preferred units, $14.9 million on Series C convertible units and $0.2 million on 3.5% convertible perpetual preferred units for the year ended December 31, 2013. |