Equity Incentive Compensation Plans and Other Long-term Incentive Programs - Additional Information (Detail)	3 Months Ended
Mar. 31, 2020 $ / shares
Nonvested Equity Shares
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Award vesting period	3 years
Nonvested Equity Common Stock Units
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Award vesting period	1 year
Cash-Based Award
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Award vesting period	3 years
2020 Program [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Performance goal measurement period	3 years
Payout if absolute performance is 100%	100.00%
Relative TSR is less than 30%	30.00%
Payout if relative TSR is less than 30%	0.00%
Relative TSR is 30% or greater	30.00%
Payout if relative TSR is 30% or greater	100.00%
Closing Share Price, December 31, 2019	$ 1.69
2020 Program [Member] \| Absolute Performance and Relative TSR \| Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Award vesting rights, percentage	200.00%

Closing Share Price, December 31, 2019

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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