Details of Certain Balance Sheet Components (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Notes receivable	$ 11,388	$ 19,200
Income tax and other tax receivable	10,077	10,514
Billable tooling	4,035	4,831
Prepaid expenses	8,007	3,930
Other	2,161	2,713
Total other current assets	35,668	41,188
Other current liabilities:
Liabilities from discounts and rebates	28,221	22,910
Accrued employee liabilities	25,261	26,612
Income tax and other taxes payable	16,478	14,714
Restructuring	4,961	5,627
Accrued warranty	2,495	2,391	$ 2,852	$ 4,596
Other	6,084	9,155
Total other current liabilities	$ 83,500	$ 81,409