Derivative Instruments (Details) - Swap - July 2016 - December 2016 - Natural Gas:	6 Months Ended
Jun. 30, 2016 MMBTU $ / shares
Oil and gas contracts
Daily Volumes \| MMBTU	5,000
Weighted Average Price \| $ / shares	$ 2.50

Oil and gas delivery commitments and contracts weighted average price.

No definition available.

Name:	pq_OilAndGasDeliveryCommitmentsAndContractsWeightedAveragePrice
Namespace Prefix:	pq_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration