Term Loan and Credit Facility - Interest Expense (Details) - Debt Instrument, Tranche One - Medium-term Notes - Term Facility - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Contractual interest expense	$ 2,971	$ 198	$ 6,947	$ 573
Amortization of debt discount	208	1	465	2
Total interest expense	$ 3,179	$ 199	$ 7,412	$ 575

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration