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Stock-based Compensation - Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement [Abstract]
Employee stock compensation	$ 5,840	$ 4,791	$ 15,718	$ 14,409
Capitalized stock compensation	771	751	2,659	2,317
Total stock compensation	$ 6,611	$ 5,542	$ 18,377	$ 16,726

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Amount of cost capitalized for award under share-based payment arrangement.

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

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