Share-based Compensation - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	May 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	May 23, 2023
Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, shares		703,000		1,294,000
Stock options vested		109,250
Aggregate fair value of stock option vested		$ 32,700,000
Weighted average grant date fair value of stock option awards		$ 1,114.42
Share-based compensation expense recognized		$ 9,800,000	$ 12,900,000
Unrecognized share-based compensation expense		$ 66,500,000
Unrecognized compensation expense expected to be recognized		2 years 1 month 6 days
Stock option awards granted		9,000	0
Share-settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of stock option vested		$ 3,200,000	$ 3,400,000
Share-based compensation expense recognized		$ 4,700,000	$ 3,400,000
Unrecognized compensation expense expected to be recognized		3 years 3 months 18 days
Restricted stock units outstanding		196,830		185,000
Share-settled restricted stock units vested		6,002	5,780
Number of shares withheld to satisfy tax obligations		1,889	1,963
Shares issued		4,113	3,817
Granted, weighted average grant date fair value (in dollars per share)		$ 1,451.66	$ 258.65
Unrecognized share-based compensation expense		$ 84,100,000
Stock units granted		30,000
Share-settled Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of stock option vested		$ 0
Unrecognized compensation expense expected to be recognized		2 years 8 months 12 days
Restricted stock units outstanding		30,000		25,000
Unrecognized share-based compensation expense		$ 25,800,000
Stock units granted		6,000	0
Class A | Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, shares		702,571
2013 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity compensation plan expiration period	2023-05
2013 Equity Plan | Other Stock Based Awards and Cash Settled RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense recognized		$ 1,800,000	$ 700,000
Unrecognized compensation expense expected to be recognized		10 months 24 days
Unrecognized share-based compensation expense		$ 700,000
2023 Equity Plan | Share-settled Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of stock option awards		$ 3,071.27
Share-based compensation expense recognized		$ 1,100,000
Restricted stock units outstanding		30,285
2023 Equity Plan | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, stock authorized					1,932,703
Shares of class A common stock reserved and available for future issuance		231,007
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense recognized		$ 400,000	$ 600,000
Unrecognized compensation expense expected to be recognized		4 months 24 days
Unrecognized share-based compensation expense		$ 700,000
2021 Employee Stock Purchase Plan | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, stock authorized		100,000
Shares of class A common stock reserved and available for future issuance		52,675
Common stock, shares issued		6,932