Inventories (Schedule Of Major Components Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Petroleum products	$ 99,242	$ 71,373
Crude oil	21,093	5,380
Caustic soda	3,536	2,679
NaHS	5,978	5,845
Other	3	53
Total	$ 129,852	$ 85,330