Loans Nonaccrual and Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Loans
Nonaccrual Loans	$ 21,325	$ 13,531
Accruing Loans 90 Days Past Due	3,771	5,969
Originated Loan
Loans
Nonaccrual Loans	16,774	11,912
Accruing Loans 90 Days Past Due	193	850
Originated Loan \| Commercial real estate, construction
Loans
Nonaccrual Loans	826	921
Accruing Loans 90 Days Past Due	0	0
Originated Loan \| Commercial real estate, other
Loans
Nonaccrual Loans	9,934	7,041
Accruing Loans 90 Days Past Due	0	0
Originated Loan \| Commercial real estate
Loans
Nonaccrual Loans	10,760	7,962
Accruing Loans 90 Days Past Due	0	0
Originated Loan \| Commercial and industrial
Loans
Nonaccrual Loans	1,712	480
Accruing Loans 90 Days Past Due	0	680
Originated Loan \| Residential real estate
Loans
Nonaccrual Loans	3,778	3,057
Accruing Loans 90 Days Past Due	183	169
Originated Loan \| Home equity lines of credit
Loans
Nonaccrual Loans	383	321
Accruing Loans 90 Days Past Due	0	0
Originated Loan \| Consumer, Indirect Loan [Member]
Loans
Nonaccrual Loans	130	34
Accruing Loans 90 Days Past Due	10	0
Originated Loan \| Consumer, Other Loan [Member]
Loans
Nonaccrual Loans	11	58
Accruing Loans 90 Days Past Due	0	1
Originated Loan \| Consumer, other
Loans
Nonaccrual Loans	141	92
Accruing Loans 90 Days Past Due	10	1
Acquired Loans
Loans
Nonaccrual Loans	4,551	1,619
Accruing Loans 90 Days Past Due	3,578	5,119
Acquired Loans \| Commercial real estate, other
Loans
Nonaccrual Loans	1,609	469
Accruing Loans 90 Days Past Due	1,506	2,425
Acquired Loans \| Commercial and industrial
Loans
Nonaccrual Loans	390	247
Accruing Loans 90 Days Past Due	387	1,306
Acquired Loans \| Residential real estate
Loans
Nonaccrual Loans	2,317	798
Accruing Loans 90 Days Past Due	1,672	1,353
Acquired Loans \| Home equity lines of credit
Loans
Nonaccrual Loans	231	98
Accruing Loans 90 Days Past Due	0	35
Acquired Loans \| Consumer, Indirect Loan [Member]
Loans
Nonaccrual Loans	0	0
Accruing Loans 90 Days Past Due	13	0
Acquired Loans \| Consumer, Other Loan [Member]
Loans
Nonaccrual Loans	4	7
Accruing Loans 90 Days Past Due	0	0
Acquired Loans \| Consumer, other
Loans
Nonaccrual Loans	4	7
Accruing Loans 90 Days Past Due	$ 13	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pebo_OriginatedLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=pebo_ConsumerIndirectLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=pebo_ConsumerOtherLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConsumerLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pebo_AcquiredLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: