v3.3.1.900
Commitments and Contingencies (Details 2) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
HollyFrontier Corporation      
Long-term commitments      
Expenses related to agreement $ 4.8 $ 4.3 $ 4.8
CRNF      
Long-term commitments      
Rent expense minimum rentals 4.6 4.6 4.7
CRNF | Linde, Inc.      
Long-term commitments      
Expenses related to agreement $ 3.4 $ 4.0 $ 3.9