Long-Term Debt and Short-Term Borrowings, Interest Rate Swap Agreement (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Interest Rate Swap Agreement [Abstract]
Notional amount of swap	$ 12,000
Potential payment to counterparty	$ 489
Fixed interest rate	3.16%
Percentage of variable interest rate	59.00%
Variable Interest Rate, Type [Extensible Enumeration]	us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Basis spread adjustment	0.11448%
Net payment rate on swap	0.59%	0.05%
Variable Rate Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series 2008A, due 2029 [Member]
Interest Rate Swap Agreement [Abstract]
Interest rate spread	1.06%	0.90%
Overall effective rate, including variable interest and swap payments	4.22%	4.06%