Condensed Consolidated Financial Statements - Summary of Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Current Liabilities
Vendor financed licenses	$ 9,776	$ 12,901
Operating lease liabilities	11,214	13,438
Royalties payable	4,897	3,959
Accrued interest	2,983	8,745
Other	32,936	42,569
Total other current liabilities	$ 61,806	$ 81,612

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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