Share-Based Compensation - Summary of Total Share-Based Awards (Details) $ / shares in Units, $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($) $ / shares shares
Time-Vesting Awards
Restricted Stock and Restricted Stock Units Outstanding
Balance, Beginning of period (in shares)	560,123
Granted (in shares)	252,249
Vested (in shares)	(395,851)
Forfeited/cancelled (in shares)	(18,034)
Balance, Ending of period (in shares)	398,487
Restricted Stock and Restricted Stock Units Weighted Average Grant Date Fair Value
Balance, Beginning of period (in dollars per share) \| $ / shares	$ 24.54
Granted (in dollars per share) \| $ / shares	30.30
Vested (in dollars per share) \| $ / shares	(23.43)
Forfeited (in dollars per share) \| $ / shares	(29.93)
Balance, Ending of period (in dollars per share) \| $ / shares	$ 29.05
Restricted Stock and Restricted Stock Units
Restricted Stock and Restricted Stock Units Outstanding
Balance, Beginning of period (in shares)	1,535,934
Granted (in shares)	878,574
Vested (in shares)	(832,344)
Forfeited/cancelled (in shares)	(84,389)
Balance, Ending of period (in shares)	1,497,775
Vested, fair value \| $	$ 18,204
Restricted Stock and Restricted Stock Units Weighted Average Grant Date Fair Value
Balance, Beginning of period (in dollars per share) \| $ / shares	$ 25.70
Granted (in dollars per share) \| $ / shares	28.26
Vested (in dollars per share) \| $ / shares	(23.37)
Forfeited (in dollars per share) \| $ / shares	(24.63)
Balance, Ending of period (in dollars per share) \| $ / shares	$ 28.56
PRSUs
Restricted Stock and Restricted Stock Units Outstanding
Balance, Beginning of period (in shares)	975,811
Granted (in shares)	626,325
Vested (in shares)	(436,493)
Forfeited/cancelled (in shares)	(66,355)
Balance, Ending of period (in shares)	1,099,288
Restricted Stock and Restricted Stock Units Weighted Average Grant Date Fair Value
Balance, Beginning of period (in dollars per share) \| $ / shares	$ 26.36
Granted (in dollars per share) \| $ / shares	27.44
Vested (in dollars per share) \| $ / shares	(23.31)
Forfeited (in dollars per share) \| $ / shares	(23.19)
Balance, Ending of period (in dollars per share) \| $ / shares	$ 28.38
Omnibus Incentive Plan
Restricted Stock and Restricted Stock Units Outstanding
Vested (in shares)	(1,033,000)

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

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-SubTopic 10
-Section 50
-Paragraph 2
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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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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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