Other Non-Operating Income (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Nonoperating Income (Expense) [Abstract]
Gain on sale of businesses	$ 3,763	$ 1,136	$ 8,121	$ 14,368
Foreign currency (loss) gain, net	(4,559)	1,720	(5,642)	1,820
Impairment of cost method investments	0	0	(744)	0
Gain on sale of investment in affiliate	0	0	15	15
Gain on sale of cost method investments	1	127	7	958
Gain on cost method investments	191	0	191	3,104
Other gain, net	139	598	1,025	2,193
Total Other Non-Operating (Expense) Income	(465)	3,581	2,973	22,458
Equity Securities, FV-NI, Realized Gain (Loss)	$ 5,908	$ 0	$ 6,010	$ 5,475