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Short-Term Borrowings (Tables) | 3 Months Ended
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Mar. 31, 2024
Line of Credit Facility [Line Items] |
Schedule of Balances Outstanding and Interest Rates of Borrowings | Balances outstanding and interest rates on borrowings (excluding letters of credit) under Avista Corp.’s revolving committed line of credit were as follows as of March 31, 2024 and December 31, 2023 (dollars in thousands):
|  | March 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Borrowings outstanding at end of period (1) |  | $ | 295,000 |  |  | $ | 349,000 |
Letters of credit outstanding at end of period |  |  | 6,700 |  |  |  | 4,700 |
Average interest rate on borrowings at end of period |  |  | 6.50 | % |  |  | 6.46 | %
(1) As of March 31, 2024, there was $295.0 million outstanding under the committed line of credit; however, $212.2 million was classified as short-term borrowings and $82.8 million was classified as long-term debt on the Condensed Consolidated Balance Sheet due to the Company's intention to refinance such amount on a long-term basis. The amount classified as long-term debt was refinanced through the remarketing of $83.7 million of City of Forsyth, Montana Pollution Control Revenue Refunding Bonds in April 2024 pursuant to a remarketing and bond purchase agreement entered in March 2024. See Note 9 for further discussion of the remarketed bonds and the refinancing of short-term debt on a long-term basis. The entire outstanding amount of the committed line of credit as of December 31, 2023 was classified as short-term borrowings on the Condensed Consolidated Balance Sheet.

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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 -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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