Subsequent Events (Details) $ / shares in Units, $ in Millions	Mar. 17, 2021 USD ($) $ / shares shares
Forecast [Member]
Subsequent Events [Abstract]
Deferred tax assets, impairment allowance	$ 2.4
Subsequent Event [Member] \| Private Placement [Member]
Subsequent Events [Abstract]
Sale of common stock (in shares) \| shares	18,474,000
Purchase price of common stock (in dollars per share) \| $ / shares	$ 1.78
Aggregate purchase price	$ 32.9

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated impairment losses.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319

+ Details

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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- Details

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- Details

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