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Shareholders' Equity (Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Stockholders' Equity Note [Abstract]
Stock-based compensation expense	$ 11,318	$ 6,467	$ 31,173	$ 20,458
Less: Deferred tax benefit	(1,857)	(1,229)	(5,615)	(3,932)
Stock-based compensation expense, net of tax	$ 9,461	$ 5,238	$ 25,558	$ 16,526

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
-Paragraph 1
-Subparagraph (b)
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Amount, after tax, of expense for award under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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-SubTopic 10
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