Equity-Based Compensation (Details) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($) item employee $ / shares shares	Mar. 31, 2020 USD ($)
Employee stock-based compensation expense
Equity-based compensation capitalized \| $		$ (32)
Equity-based compensation expense \| $	$ 12,054	2,186
Time-based awards
Employee stock-based compensation expense
Equity-based compensation expense \| $	9,821	2,137
Accelerated expense \| $	$ 5,500
Number of employees departed \| employee	2
Restricted Stock Units
Nonvested at beginning of period \| shares	1,018,008
Granted \| shares	240,101
Shares vested (including tax withholding) \| shares	(410,418)
Forfeited \| shares	(13,347)
Nonvested at end of period \| shares	834,344
Nonvested at beginning of period, Weighted average grant date fair value per share \| $ / shares	$ 36.74
Granted, Weighted average grant date fair value per share \| $ / shares	41.72
Shares vested (including tax withholding) , Weighted average grant date fair value per share \| $ / shares	38.42
Forfeited, Weighted average grant date fair value per share \| $ / shares	37.88
Nonvested at end of period, Weighted average grant date fair value per share \| $ / shares	$ 37.33
Unrecognized compensation cost \| $	$ 24,900
Period for recognition of RSU compensation expense	1 year 10 months 24 days
Performance-based awards
Employee stock-based compensation expense
Equity-based compensation expense \| $	$ 796	$ 81
Restricted Stock Units
Nonvested at beginning of period \| shares	281,735
Granted \| shares	55,229
Forfeited \| shares	(2,573)
Nonvested at end of period \| shares	334,391
Nonvested at beginning of period, Weighted average grant date fair value per share \| $ / shares	$ 32.34
Granted, Weighted average grant date fair value per share \| $ / shares	41.72
Forfeited, Weighted average grant date fair value per share \| $ / shares	28.29
Nonvested at end of period, Weighted average grant date fair value per share \| $ / shares	$ 33.92
Unrecognized compensation cost \| $	$ 5,800
Period for recognition of RSU compensation expense	1 year 10 months 24 days
Period of performance measurement	3 years
Number of one year performance periods \| item	3
Bonus settled in shares
Employee stock-based compensation expense
Equity-based compensation expense \| $	$ 1,437

Departure of employees during the reporting period.

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Number of one year performance periods.

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The period over which the Company's performance is measured for the purpose of awarding of performance-based Restricted Stock Units (RSUs).

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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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 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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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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