Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Allowance for doubtful accounts	$ 0	$ 0
Goodwill impairment loss	$ 0
Stock-based compensation award, requisite service period	5 years
Finite-Lived Management and Advisory Contracts \| Minimum
Finite-lived intangible assets, useful life	7 years
Finite-Lived Management and Advisory Contracts \| Maximum
Finite-lived intangible assets, useful life	16 years
Finite-Lived Technology
Finite-lived intangible assets, useful life	4 years
Trade names
Finite-lived intangible assets, useful life	10 years
Money Market Funds
Cash Equivalents	$ 7,800	$ 2,800

Amount of allowance for credit loss on accounts receivable.

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