Acquisitions and Divestitures - Summary of Fair Value of Assets and Liabilities Related to Acquisition Recorded in Condensed Consolidated Balance Sheet (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Nov. 30, 2020	Mar. 04, 2020
Business Acquisition [Line Items]
Goodwill	$ 158,583,000	$ 158,331,000
Lite On Semiconductor
Business Acquisition [Line Items]
Cash and cash equivalents			$ 131,046,000
Accounts receivable			44,896,000
Inventories			55,710,000
Prepaid expenses and other current assets			11,447,000
Property, plant and equipment			67,952,000
Deferred income tax			15,732,000
Intangible assets, net			0
Other long-term assets			26,037,000
Total assets acquired			352,820,000
Line of credit			88,508,000
Accounts payable			35,245,000
Accrued liabilities and other			48,992,000
Income tax payable			6,264,000
Deferred tax liabilities			8,941,000
Other long-term liabilities			10,783,000
Total liabilities assumed			198,733,000
Non-controlling interest			54,000
Net assets acquired			$ 154,033,000
Savitech Acquisition
Business Acquisition [Line Items]
Cash and cash equivalents				$ 6,200,000
Prepaid expenses and other current assets				700,000
Goodwill				13,900,000
Intangible assets, net				6,100,000
Other long-term assets				400,000
Accrued liabilities and other				9,900,000
Non-controlling interest				$ 11,800,000