Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Level I
Financial assets:
Loans held for sale	$ 3,360	$ 3,993
Loans, net	0	0
Financial liabilities:
Time deposits & brokered deposits	0	0
Short-term borrowings	111,208	145,926
Long-term borrowings	0	0
Level II
Financial assets:
Loans held for sale	0	0
Loans, net	0	0
Financial liabilities:
Time deposits & brokered deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Level III
Financial assets:
Loans held for sale	0	0
Loans, net	1,804,399	1,806,044
Financial liabilities:
Time deposits & brokered deposits	414,118	382,139
Short-term borrowings	0	0
Long-term borrowings	260,656	251,570
Carrying Value
Financial assets:
Loans held for sale	3,360	3,993
Loans, net	1,843,805	1,828,318
Financial liabilities:
Time deposits & brokered deposits	418,190	384,792
Short-term borrowings	111,208	145,926
Long-term borrowings	261,770	252,598
Fair Value
Financial assets:
Loans held for sale	3,360	3,993
Loans, net	1,804,399	1,806,044
Financial liabilities:
Time deposits & brokered deposits	414,118	382,139
Short-term borrowings	111,208	145,926
Long-term borrowings	$ 260,656	$ 251,570

Time Deposits And Brokered Deposits

No definition available.

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Namespace Prefix:	pwod_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(3)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

+ Details

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

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Publisher FASB
-URI https://asc.fasb.org//310-10/tableOfContent

+ Details

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

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

+ References

No definition available.

+ Details

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Period Type:	instant

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