Income Taxes - Additional Disclosures (Details) (USD $)	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Finance receivables reduction	$ 0

Finance Receivables Applied to Principal, Reduction

No definition available.

Name:	praa_FinanceReceivablesAppliedToPrincipalReduction
Namespace Prefix:	praa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant