Revision for Immaterial Misstatements - Narrative (Details) - USD ($) $ in Thousands	Jan. 01, 2018	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total stockholders' equity		$ 527,719	$ 490,565	$ 610,144	$ 106,100	$ 179,772		$ 508,564
Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total stockholders' equity		$ 1,435,688	$ 1,441,225	1,553,610	1,113,220	$ 1,224,329		$ 1,430,031
Tooling Misstatement
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial misstatement, amount	$ (37,200)
Other Misstatements
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial misstatement, amount	12,100
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total stockholders' equity				$ 13,801	$ 19,952
Adjustments | Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total stockholders' equity	$ 25,100						$ 16,900