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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss)	$ 9,295	$ (4,350)	$ 2,944	$ (15,482)
Other comprehensive income (loss):
Amortization of prior service credit	(61)	(61)	(122)	(122)
Other comprehensive loss	(61)	(61)	(122)	(122)
Comprehensive income (loss)	$ 9,234	$ (4,411)	$ 2,822	$ (15,604)

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