Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of loss contingency liability.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Commitments and Contingencies (Details) - USD ($)	Dec. 31, 2020	Nov. 15, 2019	Nov. 14, 2019	Aug. 30, 2019
Line of Credit Facility [Line Items]
Loss contingency accrual	$ 4,500,000
Estimate of possible loss	$ 22,500,000
Line of Credit \| MUFG Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 200,000,000.0
Line of credit facility, current borrowing capacity		$ 100,000,000.0	$ 200,000,000.0