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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Aug. 31, 2021	Apr. 30, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 13,271	$ 13,716	$ 8,131
Unrecognized Compensation Expense Period			1 year 1 month 6 days
Common stock, authorized			500,000,000	500,000,000
Number of Options, Granted			3,299,000	175,000	0
Outstanding Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 1,654	$ 662	$ 906
Vesting of RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			11,273	11,955	6,413
Unrecognized compensation expense			16,623
General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 7,946	$ 8,652	$ 4,412
Zenith
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Granted			844,000	844,000	844,000
Zenith | General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 109	$ 811	$ 812
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense			$ 4,457
Unrecognized Compensation Expense Period			3 years
2018 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement vesting period			4 years
Amended 2018 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Granted		0
Amended 2018 Stock Plan | RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement vesting period		4 years
Share-based compensation arrangement, options granted		1,533,000
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value		$ 21.55
Share-based payment arrangement, expense		$ 33,033
2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized			15,500,000
2021 Equity Incentive Plan | RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement vesting period	4 years
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 235	$ 288	$ 0
Shares reserved for future issuance			2,000,000
Percentage of shares reserved for future issuance			1.00%
Employee Stock Purchase Plan | Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation by share based arrangement, quoted market price on purchase date			85.00%
Minimum | 2021 Equity Incentive Plan | RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement vesting period	1 year
Maximum | 2018 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation by share based arrangement term			10 years
Maximum | 2021 Equity Incentive Plan | RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement vesting period	3 years
Maximum | Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance					2,000,000

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