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Consolidated Statement of Changes in Total Equity - USD ($)
shares in Thousands, $ in Thousands
Total
General Partner [Member]
Common Stock [Member]
Limited Partners [Member]
Total Equity Partners' Equity Accumulated Other Comprehensive Loss [Member]
Total Equity Non-controlling Interest [Member]
Beginning balance at Dec. 31, 2012 $ 1,254,274 $ 47,346 $ 1,165,634   $ 41,294
Beginning balance, units at Dec. 31, 2012     69,684    
Net income 213,315 25,365 $ 175,877   12,073
Other comprehensive income (loss) 131     $ 131  
Cash distributions (215,789) (24,136) (191,280)   (373)
Equity based compensation, net of tax (note 17) 1,333 27 $ 1,306    
Equity based compensation, net of tax (note 17), units     7    
Proceeds from equity offerings (note 16) 190,520 3,924 $ 186,596    
Proceeds from equity offerings (note 16), units     4,505    
Ending balance at Dec. 31, 2013 1,443,784 52,526 $ 1,338,133 131 52,994
Ending balance, units at Dec. 31, 2013     74,196    
Net income 218,927 31,187 $ 174,251   13,489
Other comprehensive income (loss) (1,534)     (1,534)  
Cash distributions (240,525) (30,900) (209,625)    
Dividends paid to non-controlling interest (57,080)       (57,080)
Equity based compensation, net of tax (note 17) 1,444 29 $ 1,415    
Equity based compensation, net of tax (note 17), units     17    
Proceeds from equity offerings (note 16) 182,139 3,666 $ 178,473    
Proceeds from equity offerings (note 16), units     4,140    
Sale of 1% interest in Norgas Napa to General Partner (note 12d) 216       216
Ending balance at Dec. 31, 2014 1,547,371 56,508 $ 1,482,647 (1,403) 9,619
Ending balance, units at Dec. 31, 2014     78,353    
Net income 217,510 26,276 $ 174,607   16,627
Other comprehensive income (loss) (648)     (648)  
Cash distributions (255,519) (34,747) (220,772)    
Dividends paid to non-controlling interest (1,629)       (1,629)
Equity based compensation, net of tax (note 17) 1,220 24 $ 1,196    
Equity based compensation, net of tax (note 17), units     25    
Proceeds from equity offerings (note 16) 35,374 725 $ 34,649    
Proceeds from equity offerings (note 16), units     1,173    
Ending balance at Dec. 31, 2015 $ 1,543,679 $ 48,786 $ 1,472,327 $ (2,051) $ 24,617
Ending balance, units at Dec. 31, 2015     79,551