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Short-Term Borrowings (Tables) | 9 Months Ended
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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 | %

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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