Balance Sheet Components (Schedule of Other Non-Current Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]
Non-current deferred income taxes	$ 56,402	$ 57,557
Long-term investments	8,086	2,886
Other	6,753	6,990
Total other non-current assets	$ 71,241	$ 67,433

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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Amount of investment in equity security without readily determinable fair value.

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-Publisher FASB
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-Topic 321
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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of noncurrent assets classified as other.

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