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Lease Commitments
12 Months Ended
Dec. 31, 2013
Leases, Operating [Abstract]  
Lease Commitments
Lease Commitments

We lease certain office and storage facilities, rail cars and other equipment under long-term operating leases, most of which contain renewal options. At December 31, 2013, the minimum future rental commitments under operating leases having non-cancellable lease terms in excess of one year are as follows:
 
(In thousands)
2014
$
23,709

2015
22,139

2016
20,189

2017
11,974

2018
4,965

Thereafter
4,825

Total
$
87,801



Rental expense charged to operations was $48.5 million, $42.6 million and $35.9 million for the years ended December 31, 2013, 2012 and 2011, respectively. For the years ended December 31, 2013, 2012 and 2011, rental expense included $8.3 million, $8.1 million and $7.5 million attributable to the HEP operations.