Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Carrying Amounts Of Long-Term Debt

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

	March 31, 2019			December 31, 2018
	(In thousands)
HollyFrontier 5.875% Senior Notes
Principal	$	1,000,000		$	1,000,000
Unamortized discount and debt issuance costs	(7,120		)	(7,360		)
	992,880			992,640
HEP Credit Agreement	942,000			923,000
HEP 6% Senior Notes
Principal	500,000			500,000
Unamortized discount and debt issuance costs	(3,946		)	(4,100		)
	496,054			495,900
Total HEP long-term debt	1,438,054			1,418,900
Total long-term debt	$	2,430,934		$	2,411,540

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The fair values of the senior notes are as follows:

	March 31, 2019		December 31, 2018
	(In thousands)
HollyFrontier senior notes	$	1,069,640	$	1,019,160
HEP senior notes	$	517,740	$	488,310