Name:	ptrs_ConsolidationDisclosureLineItems
Namespace Prefix:	ptrs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the gain losses on sales of other real estate owned.

No definition available.

Name:	ptrs_GainLossesOnSalesOfOtherRealEstateOwned
Namespace Prefix:	ptrs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Percentage of investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP) sold during the period.

No definition available.

Name:	ptrs_LimitedLiabilityCompanyOrLimitedPartnershipMembersOrLimitedPartnersOwnershipInterestSold
Namespace Prefix:	ptrs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The number of subsidiaries held by the entity.

No definition available.

Name:	ptrs_NumberOfSubsidiaries
Namespace Prefix:	ptrs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Name:	srt_OwnershipAxis=ptrs_WestNithsdaleEnterpriseLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=ptrs_BankOfDelmarvaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_OwnershipAxis=ptrs_DhbDevelopmentLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_OwnershipAxis=ptrs_FbwLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=ptrs_VirginiaPartnersBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: