Stock-Based Compensation - Summary of Restricted Stock Awards and Restricted Stock Units (Detail) - $ / shares		3 Months Ended
Feb. 09, 2016	Mar. 31, 2020
Restricted Stock Awards \| 2013 Stock Incentive Plan
Restricted Stock Units
Non-vested, beginning balance (in shares)		159,517
Granted (in shares)		0
Vested (in shares)		(5,675)
Canceled (in shares)		(1,466)
Non-vested, ending balance (in shares)		152,376
Weighted Average Grant Date Fair Value
Weighted-average grant date fair value, non-vested, beginning balance (in usd per share)		$ 10.68
Weighted-average grant date fair value, granted (in usd per share)		0
Weighted-average grant date fair value, vested (in usd per share)		8.15
Weighted-average grant date fair value, canceled (in usd per share)		11.10
Weighted-average grant date fair value, non-vested, ending balance (in usd per share)		$ 10.77
Restricted Stock Units \| 2011 Stock Incentive Plan
Restricted Stock Units
Non-vested, beginning balance (in shares)		320,142
Granted (in shares)	2,202,846	0
Vested (in shares)		(5,823)
Canceled (in shares)		(27,855)
Non-vested, ending balance (in shares)		286,464
Weighted Average Grant Date Fair Value
Weighted-average grant date fair value, non-vested, beginning balance (in usd per share)		$ 8.35
Weighted-average grant date fair value, granted (in usd per share)		0
Weighted-average grant date fair value, vested (in usd per share)		7.44
Weighted-average grant date fair value, canceled (in usd per share)		8.66
Weighted-average grant date fair value, non-vested, ending balance (in usd per share)		$ 8.34
Restricted Stock Units \| 2013 Stock Incentive Plan
Restricted Stock Units
Non-vested, beginning balance (in shares)		9,005,109
Granted (in shares)		8,548,413
Vested (in shares)		(1,295,109)
Canceled (in shares)		(337,795)
Non-vested, ending balance (in shares)		15,920,618
Weighted Average Grant Date Fair Value
Weighted-average grant date fair value, non-vested, beginning balance (in usd per share)		$ 6.90
Weighted-average grant date fair value, granted (in usd per share)		3.90
Weighted-average grant date fair value, vested (in usd per share)		7.92
Weighted-average grant date fair value, canceled (in usd per share)		6.55
Weighted-average grant date fair value, non-vested, ending balance (in usd per share)		$ 5.22

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Section 50
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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made 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).

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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).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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