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Debt - Debt Modification and Loss on Debt Extinguishment (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 01, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Loss on debt extinguishment		$ 610	$ 22,601	$ 7,481
Deferred financing costs		$ 669	$ 1,368	$ 61
Lines of credit | Second Amended and Restated Credit Agreement | Term Loan
Debt Instrument [Line Items]
Repayments of debt	$ 350,000

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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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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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