Short-Term Borrowings (Tables)

9 Months Ended

Sep. 30, 2020

Short-term Debt [Abstract]

Schedule of Line of Credit

The Company maintains lines of credit aggregating $140.0 million.

	(Millions)
	As of September 30, 2020							Line of Credit Renewal Date
	Outstanding		Available		Maximum		Credit Type
Bank of America	$	2.0	$	58.0	$	60.0	Uncommitted	December 17, 2020
PNC Bank		27.0		41.0		68.0	Committed	January 31, 2022
CoBank		7.5		4.5		12.0	Committed	November 30, 2023
	$	36.5	$	103.5	$	140.0

Schedule of Weighted Average Daily Amounts of Borrowings Outstanding

The weighted average daily amounts of borrowings outstanding under the Company’s credit lines and the weighted average interest rates on those amounts were as follows:

		(In Thousands)
		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2020			2019			2020			2019
Average Daily Amounts Outstanding	$	35,576		$	58,259		$	31,372		$	56,881
Weighted Average Interest Rates		1.24	%		3.26	%		1.63	%		3.45	%