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European Non-Controlling Redeemable Equity - Summary of Redeemable Noncontrolling Interests (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Redeemable Noncontrolling Interest [Line Items]    
Dividends accrued $ 205 $ 566
Redeemable Noncontrolling Interest [Member]    
Redeemable Noncontrolling Interest [Line Items]    
Beginning balance 6,525 13,849
Dividends accrued 205 566
Dividends paid (46) (848)
Translation adjustment 2 (361)
Purchase of shares (5,020) (6,681)
Ending Balance $ 1,666 $ 6,525