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Committed Lines of Credit | 9 Months Ended
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Sep. 30, 2022
Short-Term Debt [Abstract] |
Committed Lines of Credit | NOTE 8. COMMITTED LINES OF CREDIT Avista Corp. Avista Corp. has a committed line of credit with various financial institutions in the total amount of $400.0 million. The committed line of credit has an expiration date of June 2026, with the option to extend for an additional one year period (subject to customary conditions). The committed line of credit is secured by non-transferable first mortgage bonds of the Company issued to the agent bank that would only become due and payable in the event, and then only to the extent, that the Company defaults on its obligations under the committed line of credit. Balances outstanding and interest rates of borrowings (excluding letters of credit) under the Company’s revolving committed line of credit were as follows as of September 30, 2022 and December 31, 2021 (dollars in thousands):
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Balance outstanding at end of period |  | $ | 268,000 |  |  | $ | 284,000 |
Letters of credit outstanding at end of period |  | $ | 30,288 |  |  | $ | 34,000 |
Average interest rate at end of period |  |  | 3.85 | % |  |  | 1.11 | %
AEL&P AEL&P has a committed line of credit in the amount of $25.0 million that expires in November 2024. There were no borrowings or letters of credit outstanding under this agreement as of September 30, 2022 and December 31, 2021. The committed line of credit is secured by non-transferable first mortgage bonds of AEL&P issued to the agent bank that would only become due and payable in the event, and then only to the extent, that AEL&P defaults on its obligations under the committed line of credit.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI https://asc.fasb.org/topic&trid=2208564 + Details
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