Reclassification of Comparative Amounts (Details)	3 Months Ended
Mar. 31, 2019 USD ($)
Reclassification of Comparative Amounts
Effect of reclassification adjustment on net income or shareholders' equity	$ 0

Represents effect of reclassification adjustment on net income or loss recognized during the period.

No definition available.

Name:	pwod_ReclassificationAdjustmentEffectOnNetIncomeLoss
Namespace Prefix:	pwod_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration