Correction Prior Period Errors - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Redeemable NCI	$ (17,260)	$ (16,881)	$ (8,837)	$ (20,598)
Revision of Prior Period, Error Correction, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Redeemable NCI		$ (300)		$ (500)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details