Summary of significant accounting policies - Due to merchants & Income taxes (Details)	12 Months Ended
Dec. 31, 2015
Due to merchants
Number of average days for which ACH funds are generally held before payment to merchant	3 days

Represents the number of average days for which ACH funds are generally held before payment to the merchant.

No definition available.

Name:	plpm_NumberOfAverageDaysForWhichAchFundsAreGenerallyHeldBeforePaymentToMerchant
Namespace Prefix:	plpm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration