v3.20.2

Marketable Investment Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of marketable investment securities | The following table presents our Marketable investment securities:
|  | As of
|  | September 30, 2020 |  | December 31, 2019
Marketable investment securities: |  |  |  |
Debt securities: |  |  |  |
Available-for-sale: |  |  |  |
Corporate bonds |  | $ | 305,775 |  |  | $ | 568,442 |
Commercial paper |  | 1,330,726 |  |  | 321,706 |
Other debt securities |  | 270,444 |  |  | 13,874 |
Total available-for-sale debt securities |  | 1,906,945 |  |  | 904,022 |
Fair value option - corporate bonds |  | 26,355 |  |  | 9,128 |
Total debt securities |  | 1,933,300 |  |  | 913,150 |
Equity securities |  | 18,349 |  |  | 35,566 |
Total marketable investment securities, including restricted amounts |  | 1,951,649 |  |  | 948,716 |
Less: Restricted marketable investment securities |  | (845) |  |  | (8,093) |
Total marketable investment securities |  | $ | 1,950,804 |  |  | $ | 940,623 |
Schedule of unrealized gains (losses) on available-for-sale securities | The following table presents the components of our available-for-sale debt securities:
|  | Amortized |  | Unrealized |  | Estimated
|  | Cost |  | Gains |  | Losses |  | Fair Value
As of September 30, 2020 |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 305,628 |  |  | $ | 152 |  |  | $ | (5) |  |  | $ | 305,775 |
Commercial paper |  | 1,330,726 |  |  | — |  |  | — |  |  | 1,330,726 |
Other debt securities |  | 270,433 |  |  | 11 |  |  | — |  |  | 270,444 |
Total available-for-sale debt securities |  | $ | 1,906,787 |  |  | $ | 163 |  |  | $ | (5) |  |  | $ | 1,906,945 |
As of December 31, 2019 |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 567,926 |  |  | $ | 518 |  |  | $ | (2) |  |  | $ | 568,442 |
Commercial paper |  | 321,705 |  |  | 1 |  |  | — |  |  | 321,706 |
Other debt securities |  | 13,867 |  |  | 7 |  |  | — |  |  | 13,874 |
Total available-for-sale debt securities |  | $ | 903,498 |  |  | $ | 526 |  |  | $ | (2) |  |  | $ | 904,022 |
Schedule of activity on available-for-sale debt securities | The following table presents the activity on our available-for-sale debt securities:
|  | For the three months ended September 30, |  | For the nine months ended September 30,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Proceeds from sales |  | $ | 4,997 |  |  | $ | — |  |  | $ | 14,997 |  |  | $ | 435,978 |
Gains (losses) on sales, net |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 549 |
Schedule of activity on fair value option bonds | The following table presents the activity on our fair value option corporate bonds:
|  | For the three months ended September 30, |  | For the nine months ended September 30,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Proceeds from sales |  | $ | 1,906 |  |  | $ | — |  |  | $ | 1,906 |  |  | $ | 46,717 |
Gains (losses) on investments, net |  | $ | 15,882 |  |  | $ | 1,936 |  |  | $ | 11,377 |  |  | $ | 6,358 |
Schedule of activity in equity securities | The following table presents the activity of our equity securities:
|  | For the three months ended September 30, |  | For the nine months ended September 30,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Proceeds from sales |  | $ | 9,493 |  |  | $ | 22,847 |  |  | $ | 14,346 |  |  | $ | 102,775 |
Gains (losses) on investments, net |  | $ | 68 |  |  | $ | 8,473 |  |  | $ | (8,535) |  |  | $ | 51,750 |
Schedule of fair value measurements | The following table presents our marketable investment securities categorized by the fair value hierarchy, certain of which have historically experienced volatility:
|  | As of
|  | September 30, 2020 |  | December 31, 2019
|  | Level 1 |  | Level 2 |  | Total |  | Level 1 |  | Level 2 |  | Total
Cash equivalents (including restricted) |  | $ | 49,755 |  |  | $ | 425,893 |  |  | $ | 475,648 |  |  | $ | 31,451 |  |  | $ | 1,408,043 |  |  | $ | 1,439,494 |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | — |  |  | $ | 305,775 |  |  | $ | 305,775 |  |  | $ | — |  |  | $ | 568,442 |  |  | $ | 568,442 |
Commercial Paper |  | — |  |  | 1,330,726 |  |  | 1,330,726 |  |  | — |  |  | 321,706 |  |  | 321,706 |
Other debt securities |  | 268,915 |  |  | 1,529 |  |  | 270,444 |  |  | 8,093 |  |  | 5,781 |  |  | 13,874 |
Total available-for-sale debt securities |  | 268,915 |  |  | 1,638,030 |  |  | 1,906,945 |  |  | 8,093 |  |  | 895,929 |  |  | 904,022 |
Fair value option - corporate bonds |  | — |  |  | 26,355 |  |  | 26,355 |  |  | — |  |  | 9,128 |  |  | 9,128 |
Total debt securities |  | 268,915 |  |  | 1,664,385 |  |  | 1,933,300 |  |  | 8,093 |  |  | 905,057 |  |  | 913,150 |
Equity securities |  | 9,767 |  |  | 8,582 |  |  | 18,349 |  |  | 27,933 |  |  | 7,633 |  |  | 35,566 |
Total marketable investment securities, including restricted amounts |  | 278,682 |  |  | 1,672,967 |  |  | 1,951,649 |  |  | 36,026 |  |  | 912,690 |  |  | 948,716 |
Less: Restricted marketable investment securities |  | (845) |  |  | — |  |  | (845) |  |  | (8,093) |  |  | — |  |  | (8,093) |
Total marketable investment securities |  | $ | 277,837 |  |  | $ | 1,672,967 |  |  | $ | 1,950,804 |  |  | $ | 27,933 |  |  | $ | 912,690 |  |  | $ | 940,623 |
As of September 30, 2020 and December 31, 2019, we did not have any investments that were categorized within Level 3 of the fair value hierarchy.

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about asset and liability measured at fair value under fair value option. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14210-108612 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14217-108612 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 + Details
Name: | us-gaap_FairValueOptionQuantitativeDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
Name: | us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration