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Basis of Presentation and Summary of Significant Accounting Policies - Summary of Capitalized Software (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Gross amounts capitalized for internal-use computer software (including construction-in-process)	$ 58,881	$ 74,432	$ 46,382
Amounts expensed for amortization of internal-use computer software	$ 72,363	$ 57,821	$ 38,632

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- Definition

Additions made to capitalized computer software costs during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Amount of expense for amortization of capitalized computer software costs.

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-Name Accounting Standards Codification
-Topic 985
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