Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended		12 Months Ended
	Jul. 29, 2024	May 14, 2024	Aug. 31, 2021	Apr. 30, 2021	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 31, 2024	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock Issued					192,049,000	203,327,000
Share-based payment arrangement, expense					$ 12,071	$ 13,271	$ 13,716
Common stock, authorized					500,000,000	500,000,000
Number of Options, Granted					2,527,000	3,299,000	175,000
Outstanding Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense					$ 1,829	$ 1,654	$ 662
Vesting of RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense					10,154	11,273	11,955
Unrecognized compensation expense					11,095
General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense					6,299	$ 7,946	$ 8,652
Zenith
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Granted						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					$ 0	$ 109	$ 811
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense Period					2 years 1 month 6 days
RSUs vested	342
RSUs | Mr. Haldeman CEO and Chairman
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense					$ 820
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense					$ 3,200
Unrecognized Compensation Expense Period					2 years 9 months 18 days
Under agreement units accelerated to vest								1,359
Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, expense					$ 449
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]
Annual additions to the plan					8,900,000
2021 Equity Incentive Plan | Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, authorized					15,500,000
Annual additions to the plan		8,900,000
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					$ 88	$ 235	$ 288
Annual additions to the plan					2,000,000	1,985,000
Number of shares available for sale					7,109,000	5,402,000	3,731,000
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%
Shares reserved for future issuance					2,000,000
Percentage of shares reserved for future issuance					1.00%
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 | Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for sale		24,400,000
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 | Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance									2,000,000