Commitments and Contingencies

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

We lease certain facilities, pipelines and rights of way under operating leases, most of which contain renewal options. The right of way agreements have various termination dates through 2061.

As of December 31, 2016, the minimum future rental commitments under operating leases having non-cancelable lease terms in excess of one year are as follows:



Years Ending December 31,	(In thousands)
2017	$	7,523
2018	7,037
2019	7,032
2020	6,866
2021	6,869
Thereafter	41,769
Total	$	77,096

Rental expense charged to operations was $8.5 million, $8.9 million and $8.0 million for the years ended December 31, 2016, 2015 and 2014, respectively.

We also have other long-term contractual obligations consisting of long-term site service agreements with HFC, expiring in 2058 through 2066, for the provision of certain facility services and utility costs that relate to our assets located at HFC’s refinery facilities. We are presenting obligations for the full term of these agreements; however, the agreements can be terminated with 180 day notice if we cease to operate the applicable assets. At December 31, 2016, these minimum future contractual obligations having terms in excess of one year are as follows:



Years Ending December 31,	(In thousands)
2017	$	5,132
2018	5,132
2019	5,132
2020	5,132
2021	5,132
Thereafter	223,312
Total	$	248,972

We are a party to various legal and regulatory proceedings, none of which we believe will have a material adverse impact on our financial condition, results of operations or cash flows.