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Long-Term Debt and Short-Term Borrowings, Payments Due by Year (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Payments Due by Year [Abstract]
2021	$ 0
2022	26,200
2023	0
2024	0
2025	0
Variable Rate Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series 2008A, due 2029 [Member]
Payments Due by Year [Abstract]
2022	$ 12,000

X

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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