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

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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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- Definition

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.

+ References

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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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Stock-Based Awards - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	May 20, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation expense		$ 10,582,000	$ 4,597,000	$ 18,031,000	$ 9,818,000
MSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total shares granted	83,750			84,000
Aggregate estimated grant-date fair value				$ 6,400,000
Stock based compensation expense		$ 558,000		$ 558,000