Fair Value Measurements (Narratives) (Details) (Tranche B [Member])	Sep. 30, 2014	Dec. 31, 2013
Tranche B [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Expected current yield	13.63%	15.28%

Expected current yield in percentage terms used in fair value assumptions.

No definition available.

Name:	parr_FairValueAssumptionsExpectedCurrentYield
Namespace Prefix:	parr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant