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Noncontrolling and Redeemable Noncontrolling Interests - Changes in Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Noncontrolling Interest [Abstract]
Beginning Balance	$ 27,137	$ 36,973
Redemptions	0	12,289
Granted	0	0
Changes in redemption value	2,000	(2,800)
Currency translation adjustments	86	(347)
Other	(584)	0
Ending Balance	$ 24,639	$ 27,137

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Adjustments to redeemable noncontrolling interest resulting from foreign currency translation adjustments.

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Amount of increase in noncontrolling interest from a business combination.

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The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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