Stockholders' Equity - Schedule of Restricted Stock Unit Award ("RSU") and Cash Restricted Stock Unit Award (''CRSU'') Activity (Details) - $ / shares	3 Months Ended
Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Restricted Stock Units RSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning Balance	2,844,138	2,915,268	2,989,322
Number of Shares, Granted	133,825	130,640	206,026
Number of Shares, Vested	(224,179)	(183,910)	(149,141)
Number of Shares, Forfeited	(19,980)	(17,860)	(130,939)
Number of Shares, Ending Balance	2,733,804	2,844,138	2,915,268
Grant Date Fair Value per share, Beginning Balance	$ 14.4	$ 13.5	$ 13.0
Grant Date Fair Value per share, Granted	51.4	33.8	20.9
Grant Date Fair Value per share, Vested	16.8	14.0	13.2
Grant Date Fair Value per share, Forfeited	15.0	13.8	13.5
Grant Date Fair Value per share, Ending Balance	$ 16.0	$ 14.4	$ 13.5
Cash Restricted Stock Unit Award CRSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning Balance	1,490
Number of Shares, Granted	3,524	4,780
Number of Shares, Vested	(4,130)	(3,290)
Number of Shares, Ending Balance	884	1,490
Grant Date Fair Value per share, Beginning Balance	$ 25.2
Grant Date Fair Value per share, Granted	46.9	$ 22.2
Grant Date Fair Value per share, Vested	41.5	20.9
Grant Date Fair Value per share, Forfeited		13.8
Grant Date Fair Value per share, Ending Balance	$ 26.9	$ 25.2

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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- Definition

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.

+ References

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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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- Definition

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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- Definition

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

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- Definition

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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- Definition

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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