Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Rental Payments Under All Non-Cancelable Operating Leases

	Office Space		Transportation Equipment		Terminals and Tanks		Total
2015	$	2,282	$	14,796	$	15,752	$	32,830
2016	1,846		9,451		7,149		18,446
2017	1,625		7,430		2,687		11,742
2018	1,631		5,967		2,692		10,290
2019	1,580		5,705		2,697		9,982
2020 and thereafter	4,484		6,617		20,866		31,967
Total minimum lease obligations	$	13,448	$	49,966	$	51,843	$	115,257

Total Operating Lease Expense

Year Ended December 31, 2014	$	37,941
Year Ended December 31, 2013	$	27,674
Year Ended December 31, 2012	$	21,530