Equity Investments (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Equity Investments

The following table summarizes Avista Corp.’s equity investments, which are included in “Other property and investments- net and other non-current assets” on the Consolidated Balance Sheets as of December 31 (dollars in thousands):

	2023		2022
Equity method investments	$	78,513	$	70,196
Investments without readily determinable fair value
Non-recurring fair value		24,583		23,329
Recurring fair value		50,254		54,284
Total	$	153,350	$	147,809

Summary of Net Unrealized Gains Related to Investments without Readily Determinable Fair Value

The following table summarizes net unrealized gains (losses) related to investments without readily determinable fair value held as of the end of the respective period for the years ended December 31 (dollars in thousands):

	2023			2022		2021
Investments recorded at non-recurring fair value	$	—		$	12,285	$	8,761
Investments recorded at recurring fair value		(4,323	)		33,382		—
Total	$	(4,323	)	$	45,667	$	8,761

Net unrealized gains recorded related to investments recorded at non-recurring fair value result from identified observable transactions.