XML 27 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
Employee Stock Purchase Plan (Details) (Employee Stock Purchase Plan ("Plan"), USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Employee Stock Purchase Plan ("Plan")
   
Employee Stock Purchase Plan    
Number of shares allowed to be purchased by employees 1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember
 
Purchase price of the shares with respect to market value (as a percent) 95.00%pwod_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePriceOfSharesAsPercentageOfMarketValue
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember
 
Maximum percentage of base compensation 15.00%pwod_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfBaseCompensationMaximum
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember
 
Maximum market value $ 12,000pwod_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketValueMaximum
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember
 
Number of shares issued under the plan 520us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember
632us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_PlanNameAxis
= us-gaap_EmployeeStockMember