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Share-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2019
Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%
Options outstanding, shares	1,577,000	1,167,000	1,157,000			1,634,000
Share-settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of stock option vested	$ 12.3	$ 3.3
Unrecognized compensation expense expected to be recognized	2 years 8 months 12 days
Restricted stock units outstanding	120,000	105,000	74,000			0
Share-settled restricted stock units vested	28,180	17,004	0
Number of shares withheld to satisfy tax obligations	9,467	5,857
Shares issued	18,713	11,147
Granted, weighted average grant date fair value (in dollars per share)	$ 246.17	$ 736.46	$ 192.43
Unrecognized share-based compensation expense	$ 38.0
Granted	60,000	58,000	76,000
2013 Equity Plan \| Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vested	245,500	200,625	200,000
Aggregate fair value of stock option vested	$ 35.8	$ 11.0	$ 11.2
Weighted average grant date fair value of stock option awards	$ 201.64	$ 372.05	$ 49.68
Share-based compensation expense recognized	$ 48.3	$ 32.0	$ 10.1
Unrecognized share-based compensation expense	$ 132.2
Unrecognized compensation expense expected to be recognized	2 years 8 months 12 days
2013 Equity Plan \| Share-settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Share-based compensation expense recognized	$ 13.4	$ 8.0	$ 0.5
Restricted stock units outstanding	119,617
2013 Equity Plan \| Other Stock-based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0	9,000	0
Outstanding	10,250
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	$ 0.5	$ 1.4	$ 0.6
Unrecognized compensation expense expected to be recognized	2 years 1 month 6 days
Unrecognized share-based compensation expense	$ 0.3
2013 Equity Plan \| Cash Settled RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0	900	0
Outstanding	525
2013 Equity Plan \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, stock authorized				2,750,000	2,300,000
Shares of class A common stock reserved and available for future issuance	75,662
2013 Equity Plan \| Class A \| Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, shares	1,576,879
2013 Equity Plan \| Class A \| Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award expiration period	10 years
Vesting period	4 years
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense recognized	$ 2.4	$ 2.6
Unrecognized compensation expense expected to be recognized	2 months 12 days
Unrecognized share-based compensation expense	$ 0.5
Percentage of discounted share purchase right	15.00%
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	79,463
Common stock, shares issued	15,925	4,612
Share Purchase Price Description	shares are purchased at a price equal to 85% of the lesser of the closing price of the Company’s class A common stock on the first or last business day of the offering period, respectively
Purchase price of common stock, percentage of fair market value	85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used	the intrinsic value of the 15% discounted share purchase rights and the fair value of the look-back provision using the Black-Scholes valuation model, recognized on a straight-line basis over the offering period. The grant date is the offering period commencement date.