Stock-Based Compensation - Performance-Based Equity Awards - Additional Information (Detail) - 2019 LTIP - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	1 Months Ended	3 Months Ended
Feb. 28, 2019	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue growth target performance period	3 years
Number of shares earned	174,117
Maximum number of shares that may be issued		304,705
Revenue growth target performance period start date	Jan. 01, 2019
Revenue growth target performance period end date	Dec. 31, 2021
Total fair market value of award at target	$ 0.9
Share price at target, on grant date	$ 5.27

Revenue growth target performance period.

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Revenue growth target performance period end date.

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Revenue growth target performance period start date.

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Share-based compensation arrangement By share-based payment award, equity instruments other than options, grants in period, fair value.

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Share-based compensation arrangement by share-based payment award, equity instruments other than options, maximum grants in period.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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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.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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-Name Accounting Standards Codification
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