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Borrowings -Schedule of Outstanding Long-Term Debt (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total long-term debt	$ 500	$ 4,832
2019 Revolver [Member]
Debt Instrument [Line Items]
Maturity Date	Jun. 25, 2024
Total long-term debt	$ 500	$ 4,832
2019 Revolver [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Interest rate description	LIBOR + 3.75%

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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

Date the credit facility terminates, in CCYY-MM-DD format.

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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