Other Income and Other Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other income:
Interest income	$ 5,396	$ 6,406	$ 12,956	$ 12,432
Gain on sale of BCE (Note 16)	0	0	22,988	0
Miscellaneous	489	0	548	51
Total other income	5,885	6,406	36,492	12,483
Other expense:
Non-operating costs	(2,038)	(3,355)	(8,188)	(5,996)
Investment losses — net	(497)	(434)	(1,274)	(1,495)
Miscellaneous	(497)	(1,024)	(1,137)	(1,453)
Total other expense	(3,032)	(4,813)	(10,599)	(8,944)
APS
Other income:
Interest income	4,602	5,691	11,398	10,716
Miscellaneous	(11)	0	48	51
Total other income	4,591	5,691	11,446	10,767
Other expense:
Non-operating costs	(2,397)	(3,111)	(4,652)	(5,299)
Miscellaneous	(497)	(1,024)	(1,136)	(1,453)
Total other expense	$ (2,894)	$ (4,135)	$ (5,788)	$ (6,752)