Accounts Receivable Factoring Agreements Schedule (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Receivables [Abstract]
Trade receivables sold to financial institutions	$ 75,850	$ 92,528
Net amounts advanced from financial institutions	67,567	78,900
Amounts due from financial institutions	$ 8,283	$ 13,628

Accounts, Notes, Loans and Financing Receivable, Factoring Agreement, Amounts due from Third Parties, Financial Institutions

No definition available.

Name:	pymr_AccountsNotesLoansAndFinancingReceivableFactoringAgreementAmountsDueFromThirdPartiesFinancialInstitutions
Namespace Prefix:	pymr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant