Long-Term Debt	9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]
Long-Term Debt	NOTE 10. LONG-TERM DEBT On September 30, 2020, the Company issued and sold $165.0 million of 3.07 percent first mortgage bonds due in 2050 pursuant to a bond purchase agreement with institutional investors in the private placement market. In connection with the pricing of the first mortgage bonds in June 2020, the Company cash-settled seven interest rate swap derivatives (notional aggregate amount of $70.0 million) and paid a net amount of $33.5 million, which will be amortized as a component of interest expense over the life of the debt. The Company paid this amount in July 2020. See Note 5 for a discussion of interest rate swap derivatives. The total net proceeds from the sale of the new bonds will be used to repay a portion of the borrowings outstanding under the Company’s $400.0 million committed line of credit and repay maturing long-term debt of $52.0 million.

Long-Term Debt

9 Months Ended

Sep. 30, 2020

NOTE 10. LONG-TERM DEBT

On September 30, 2020, the Company issued and sold $165.0 million of 3.07 percent first mortgage bonds due in 2050 pursuant to a bond purchase agreement with institutional investors in the private placement market. In connection with the pricing of the first mortgage bonds in June 2020, the Company cash-settled seven interest rate swap derivatives (notional aggregate amount of $70.0 million) and paid a net amount of $33.5 million, which will be amortized as a component of interest expense over the life of the debt. The Company paid this amount in July 2020. See Note 5 for a discussion of interest rate swap derivatives.

The total net proceeds from the sale of the new bonds will be used to repay a portion of the borrowings outstanding under the Company’s $400.0 million committed line of credit and repay maturing long-term debt of $52.0 million.