Share-Based Compensation - Schedule of Activity Related to Stock Options Awards and Restricted Stock Awards (Details) - $ / shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Stock Options
Avg wtd grant-date fair value
Outstanding at beginning of period	$ 3.94	$ 3.91
Forfeited	6.39	5.12
Exercised	3.72	4.28
Outstanding at end of period	3.95	3.89
Vested	3.91	3.81
Unvested	5.05	5.11
Avg wtd exercise price
Outstanding at beginning of period	6.71	6.50
Forfeited	14.00	10.19
Exercised	5.55	7.23
Outstanding at end of period	6.76	6.45
Vested	6.63	6.20
Unvested	$ 9.92	$ 10.07
Units
Outstanding at beginning of period	5,315,210	6,865,101
Forfeited	(206)	(69,989)
Exercised	(222,057)	(109,237)
Outstanding at end of period	5,092,947	6,685,875
Vested	4,888,331	6,254,734
Unvested	204,616	431,141
Restricted Shares
Avg wtd grant-date fair value
Unvested at beginning of period	$ 17.75	$ 14.99
Granted	32.19	26.49
Vested	17.07	14.61
Forfeited	24.99	15.24
Unvested at end of period	$ 23.34	$ 16.45
Units
Unvested at beginning of period	1,352,839	2,827,008
Granted	514,223	231,568
Vested	(480,645)	(952,696)
Forfeited	(438)	(47,301)
Unvested at end of period	1,385,979	2,058,579

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

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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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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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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of non-vested options outstanding.

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Weighted average grant-date fair value of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options outstanding.

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Number of options vested.

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Weighted average grant-date fair value of options vested.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average grant-date fair value of non-vested options outstanding.

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The weighted average grant-date fair value of non-vested options.

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Weighted average grant-date fair value of options exercised.

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