XML 57 R49.htm IDEA: XBRL DOCUMENT
v3.25.3

Fair Value Measurements and Disclosures - Summary of Financial Assets Measured at Fair Value on NonRecurring Basis (Parenthetical) (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($)
Fair Value Disclosures [Abstract] |
Amount of net credit losses charged off | $ 197,000

X
- Definition Amount of net credit losses charged off. + References No definition available. + Details
Name: | bprn_AmountOfBankChargedOff
Namespace Prefix: | bprn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration