Leases - Major Tenants - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2016 Property Lease Tenants	Sep. 30, 2015
Subsidiaries of Global Partners LP (NYSE GLP) [Member]
Leases [Line Items]
Number of leases assigned by White Oak Petroleum and Big Apple Petroleum Realty | Tenants	2
Number of leased properties | Property	164
Number of unitary leases	3
Number of leases	1
Lease revenue percentage	21.00%	21.00%
Number of leased properties guaranteed	3
Subsidiaries of Chestnut Petroleum Dist. Inc.[Member]
Leases [Line Items]
Number of leased properties | Property	79
Number of unitary leases	3
Lease revenue percentage	14.00%	17.00%
Number of leased properties guaranteed	57
Apro, LLC (d/b/a United Oil) [Member]
Leases [Line Items]
Number of leased properties | Property	77
Number of unitary leases	3
Lease revenue percentage	15.00%	7.00%