Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Carrying Amounts Of Long-Term Debt

The carrying amounts of long-term debt are as follows:

	December 31,
	2015			2014
	(In thousands)
6.875% Senior Notes
Principal	$	—		$	150,000
Unamortized premium	—			4,144
	—			154,144
Financing Obligation	31,288			33,167
Total HollyFrontier long-term debt	31,288			187,311
HEP Credit Agreement	712,000			571,000
HEP 6.5% Senior Notes
Principal	300,000			300,000
Unamortized discount and debt issuance costs	(3,248		)	(4,014		)
	296,752			295,986
Total HEP long-term debt	1,008,752			866,986
Total long-term debt	$	1,040,040		$	1,054,297

Principal Maturities Of Long-Term Debt

Principal maturities of long-term debt are as follows:

Years Ending December 31,	(In thousands)
2016	$	2,121
2017	2,393
2018	714,700
2019	3,046
2020	303,437
Thereafter	17,591
Total	$	1,043,288