Summary of Significant Accounting Policies and Other Information - Schedule of Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued product warranty	$ 9,767	$ 8,585
Litigation reserves	16,139	12,137
Contract liabilities (deferred revenue)	4,897	2,822
Accrued compensation and benefits	4,520	2,593
Professional services	27	1,974
Accrued interest expense	1,175	686
Other	9,175	5,535
Total	45,700	$ 34,332
Litigation reserves	$ 14,000

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.

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