Fair Value Measurements - Schedule of Changes in Balances of Level 3 Financial Liabilities (Details) - Level 3 [Member] - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Beginning balance	$ 1,092,145	$ 408,118
Settlements	(1,092,145)
Total realized losses (gains)		8,757
Ending balance	0	416,875
Convertible Securities [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Beginning balance	949,553	251,885
Settlements	(949,553)
Total realized losses (gains)		20,816
Ending balance	0	272,701
Derivative Liabilities [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Beginning balance	44,810	138,561
Settlements	(44,810)
Total realized losses (gains)		(14,232)
Ending balance	0	124,329
Warrants Payable [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Beginning balance	97,782	17,672
Settlements	(97,782)
Total realized losses (gains)		2,173
Ending balance	$ 0	$ 19,845

Amount of unrealized gain (loss) recognized in income from asset (liability) measured at fair value on recurring basis using unobservable input (level 3) and still held.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ 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 (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

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