Number of shares allowed to purchase under rights for each share.

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- Definition

Percentage of additional shares to be acquired by existing shareholders subject to dilution.

+ References

No definition available.

+ Details

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- Definition

Percentage of ownership of outstanding common stock subject to dilutuion.

+ References

No definition available.

+ Details

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- Definition

Redemption of rights price per share.

+ References

No definition available.

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- Definition

Rights expiration description

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No definition available.

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- Definition

Stockholders Equity Note [Line Items]

+ References

No definition available.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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Stockholders' Equity and Dilutive Equity Instruments - Additional Information (Detail)			6 Months Ended
	Apr. 24, 2020 shares $ / shares	Apr. 13, 2020	Jun. 30, 2020 $ / shares shares	Jun. 30, 2019 $ / shares shares
Stockholders Equity Note [Line Items]
Rights expiration description		The rights will expire on the earliest of (i) the close of business on April 13, 2023, (ii) the time at which the rights are redeemed or exchanged, or (iii) the time at which the Board determines that the Tax Attributes are fully utilized, expired, no longer necessary or become limited under Section 382
Series A Junior Participating Preferred Stock
Stockholders Equity Note [Line Items]
Number of shares allowed to purchase for each right \| shares	0.001
Par value of shares allowed to purchase under right
Purchase price of each right	38.00
Price of redemption of each right	$ 0.001
Beneficial Owner
Stockholders Equity Note [Line Items]
Percentage of ownership interest subject to dilution		4.99%
Equity method ownership percentage		4.99%
Percentage of additional ownership interest to be acquired by existing shareholders subject to dilution		0.50%
In-the-money Warrants and Restricted Stock Awards and Units
Stockholders Equity Note [Line Items]
Incremental "in-the-money" warrants, and restricted stock awards and units \| shares			2,402,241	3,997,084
Out-of-the-money Warrants
Stockholders Equity Note [Line Items]
Warrants outstanding \| shares			5,923,399	5,923,399
Out-of-the-money Warrants \| Series A Warrants
Stockholders Equity Note [Line Items]
Warrants exercise prices			$ 57.06	$ 57.06
Out-of-the-money Warrants \| Series B Warrants
Stockholders Equity Note [Line Items]
Warrants exercise prices			62.28	62.28
Out-of-the-money Warrants \| GLF Equity Warrants
Stockholders Equity Note [Line Items]
Warrants exercise prices			$ 100.00	$ 100.00