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Segment Information - Reconciliation of Segment Income to Income before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting [Abstract]
Segment income	$ 126,549	$ 102,141
Interest and other debt expense	27,306	24,970
Income before income taxes	$ 99,243	$ 77,171

X

- Definition

Income Before Interest and Income Taxes

+ References

No definition available.

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
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- Definition

Interest and debt related expenses associated with nonoperating financing activities of the entity.

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