Components of Selected Balance Sheet Accounts (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other current assets:
Tubular inventory and well materials	$ 2,100	$ 2,125
Prepaid expenses	1,000	903
Other Assets, Current	3,100	3,028
Other assets:
Deferred issuance costs of the Revolver	2,887	2,785
Other	2,536	2,544
Other assets	5,423	5,329
Accounts payable and accrued liabilities:
Trade accounts payable	10,166	9,825
Drilling costs	4,802	2,479
Royalties and revenue – related	33,231	26,116
Compensation – related	1,739	2,557
Interest	84	55
Reserve for bankruptcy claims	3,922	3,922
Other	5,319	4,743
Accounts payable and accrued liabilities	59,263	49,697
Other liabilities:
Asset retirement obligations (“AROs”)	2,506	2,459
Defined benefit pension obligations	972	1,025
Postretirement health care benefit obligations	525	488
Other	100	100
Other liabilities	$ 4,103	$ 4,072

Bankruptcy Claims, amount reserved for outstanding claims

No definition available.

Name:	pva_BankruptcyClaimsamountreservedforoutstandingclaims
Namespace Prefix:	pva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.