Redeemable Noncontrolling Interests (Components of Redeemable Noncontrolling Interest) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Redeemable Noncontrolling Interests [Abstract]
Beginning balance			$ 31,735	$ 17,250	$ 17,250
Net loss attributable to noncontrolling interests	$ (2,057)	$ (247)	(4,397)	$ (929)	(1,630)
Foreign currency translation adjustments			(899)		(204)
Contribution from joint venture partner			1,200
Adjustment to redemption amount			7,408		16,319
Ending balance	$ 35,047		$ 35,047		$ 31,735