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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

+ Details

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- Details

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- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pwod_RealEstateMortgagePortfolioSegmentMember
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Loans - Loan Modifications (Details) $ in Thousands	3 Months Ended		9 Months Ended
Loans - Loan Modifications (Details) $ in Thousands	Sep. 30, 2020 contract	Sep. 30, 2019 USD ($) contract	Sep. 30, 2020 contract	Sep. 30, 2019 USD ($) contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	0	1	0	5
Pre-Modification Outstanding Recorded Investment		$ 2,059		$ 8,935
Post-Modification Outstanding Recorded Investment		$ 2,059		$ 8,935
Commercial, financial, and agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract		0		2
Pre-Modification Outstanding Recorded Investment		$ 0		$ 4,014
Post-Modification Outstanding Recorded Investment		$ 0		$ 4,014
Real Estate Mortgages \| Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract		1		1
Pre-Modification Outstanding Recorded Investment		$ 2,059		$ 2,059
Post-Modification Outstanding Recorded Investment		$ 2,059		$ 2,059
Real Estate Mortgages \| Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract		0		2
Pre-Modification Outstanding Recorded Investment		$ 0		$ 2,862
Post-Modification Outstanding Recorded Investment		$ 0		$ 2,862