Other Non-Operating Income (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Nonoperating Income (Expense) [Abstract]
Net gain on sale of businesses	$ 22,679	$ 3,789	$ 213,302
Net gain on cost method investments	6,883	11,756	4,209
Gain on sale of cost method investments	3,294	9,355	1,039
Foreign currency loss, net	(2,023)	(179)	(2,153)
Impairment cost method investments	(1,305)	0	(7,327)
Gain on acquiring a controlling interest in an equity affiliate	0	0	3,708
Gain on sale of investment in affiliates	604	0	1,370
Other, net	3,368	7,833	386
Total Other Non-Operating Income	$ 33,500	$ 32,554	$ 214,534