Equity Incentive Plans - Allocation of Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense before income tax	$ 3,674	$ 2,605	$ 10,077	$ 7,991
Income tax benefit	811	580	2,123	1,716
Total compensation expense, net of income tax	2,863	2,025	7,954	6,275
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense before income tax	357	218	985	579
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense before income tax	3,090	2,153	8,379	6,794
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense before income tax	$ 227	$ 234	$ 713	$ 618

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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