Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2022

Avista Utilities [Member]

Line of Credit Facility [Line Items]

Schedule of Balances Outstanding and Interest Rates of Borrowings

Balances outstanding and interest rates of borrowings (excluding letters of credit) under the Company’s $400 million revolving committed line of credit due in June 2026 were as follows as of December 31 (dollars in thousands):

	2022			2021
Balance outstanding at end of period	$	313,000		$	284,000
Letters of credit outstanding at end of period		35,563			34,000
Average interest rate at end of period		5.31	%		1.11	%

As of December 31, 2022, the Company did not have any outstanding borrowings under the $100 million revolving credit agreement due in November 2023.