Related-Party Transactions (Details) - USD ($)
12 Months Ended
Jul. 09, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Information on related party transaction        
Receivables from related parties   $ 3,143,000 $ 2,578,000  
GPC        
Information on related party transaction        
Receivables from related parties   $ 6,000    
GPC | Terminal Storage Rental and Throughput Agreement [Member]        
Related Party Transactions        
Equity Method Investment, Ownership Percentage   100.00%    
Information on related party transaction        
Annual consumer price index adjustments included in expenses     0 $ 1,900,000
Expenses incurred from transactions with related parties     800,000 9,200,000
GPC | GPC Amended and Restated Services Agreement [Member]        
Information on related party transaction        
Related party amounts recorded as selling, general and administrative expenses   $ 0 8,000 96,000
Notice period to terminate the receipt of services under the agreement   90 days    
AE Holdings | AEH Amended and Restated Services Agreement [Member]        
Information on related party transaction        
Amount to be received per year $ 15,000      
General partner units        
Information on related party transaction        
Expenses incurred from transactions with related parties   $ 101,600,000 109,000,000 $ 95,500,000
Receivables from related parties   $ 3,137,000 $ 2,578,000