TROUBLED DEBT RESTRUCTURINGS (Details) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) Loan
# of Loans \| Loan	1
Pre-Mod. Recorded Investment	$ 341
Post-Mod. Recorded Investment	$ 339
Real Estate [Member]
# of Loans \| Loan	1
Pre-Mod. Recorded Investment	$ 341
Post-Mod. Recorded Investment	$ 339
Commercial Real Estate [Member] \| Real Estate [Member]
# of Loans \| Loan	1
Pre-Mod. Recorded Investment	$ 341
Post-Mod. Recorded Investment	$ 339

Troubled debt restructuring modifications post modification recorded investment.

No definition available.

Name:	nwpp_TroubledDebtRestructuringModificationsPostModificationRecordedInvestment
Namespace Prefix:	nwpp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration