Fair Value of Financial Assets and Liabilities - Financial Liability Measured at Fair Value on Recurring Basis (Details) - Recurring - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Liabilities, Fair Value Disclosure [Abstract]
Derivative liability		$ 37,690,000
Financial liabilities at fair value	$ 0	37,690,000
Level 1
Liabilities, Fair Value Disclosure [Abstract]
Derivative liability		0
Financial liabilities at fair value		0
Level 2
Liabilities, Fair Value Disclosure [Abstract]
Derivative liability		0
Financial liabilities at fair value		0
Level 3
Liabilities, Fair Value Disclosure [Abstract]
Derivative liability		37,690,000
Financial liabilities at fair value		$ 37,690,000

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant