Stock-based Compensation - Additional Information (Detail)	1 Months Ended				12 Months Ended
	Jun. 30, 2022 USD ($) shares	Mar. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) $ / shares shares	Oct. 31, 2019 shares	Dec. 31, 2022 USD ($) Installment $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Sep. 27, 2017 shares	Dec. 31, 2012 shares	Dec. 31, 2001 shares
Polliwog Co. Ltd. [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense					$ 2,200,000	$ 2,900,000	$ 2,900,000
Business combination, estimated post combination expense					8,700,000
World Programming [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense					17,600,000	$ 700,000
Business combination, estimated post combination expense					$ 29,500,000
Weighted average remaining service period					2 years
Powersim Inc [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense					$ 2,700,000
Weighted average remaining service period					1 year 2 months 12 days
Concept Engineering [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense					$ 2,700,000
Weighted average remaining service period					1 year 4 months 24 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to nonvested awards not yet recognized					$ 56,000,000.0
Weighted average remaining service period					4 years
2021 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Initial offering period beginning date					Jul. 15, 2021
Offering period expiration date					Jan. 14, 2022
Amount of eligible compensation for employee payroll deductions					$ 25,000
Monthly participant contributions limited to prevent prejudicial advantages to higher compensated employees					$ 1,000
Percentage of purchase price for each share of common stock purchased of lower of fair market value per share on first day of applicable offering period					85.00%
Purchases related to ESPP | shares						0
Stock-based compensation expense					$ 2,600,000	$ 1,200,000
2021 Employee Stock Purchase Plan [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance | shares					3,014,960
Purchases related to ESPP | shares					185,040
2021 Employee Stock Purchase Plan [Member] | The Timing of Payroll Deductions [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount withheld on behalf of employees for a future purchase					$ 4,000,000.0	4,200,000
2021 Employee Stock Purchase Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of eligible compensation for employee payroll deductions					15.00%
Class A Common Stock [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchases related to ESPP | shares					185,000
Class A Common Stock [Member] | Polliwog Co. Ltd. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued | shares				256,594
Business acquisition, equity interest issued or issuable, description				stock purchase agreement, 256,594 shares of the Company’s Class A Common Stock were issued to existing employees, subject to continuing employment. The shares were issued on the one-, two- and three-year anniversaries of the closing.
Class A Common Stock [Member] | World Programming [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining service period			3 years
Class A Common Stock [Member] | World Programming [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued value			$ 29,500,000			$ 29,500,000
Class A Common Stock [Member] | Powersim Inc [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued | shares		68,792
Business acquisition, shares issued value		$ 4,300,000
Class A Common Stock [Member] | Concept Engineering [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued | shares	105,082
Business acquisition, shares issued value	$ 6,000,000.0
Class A Common Stock [Member] | Employee [Member] | Powersim Inc [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued | shares		34,396
Class A Common Stock [Member] | Employee [Member] | Concept Engineering [Member] | Stock Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business acquisition, shares issued | shares	52,541
NSO Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, outstanding | shares			1,356,475		1,158,260	1,356,475
Exercise price stock options outstanding | $ / shares			$ 0.000025		$ 0.000025	$ 0.000025
Contractual term					35 years
Intrinsic value of options exercised					$ 11,000,000.0	$ 78,700,000	$ 43,100,000
ISO Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, outstanding | shares							0
Intrinsic value of options exercised							$ 3,800,000
ISO Plan [Member] | Class A Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized | shares										11,153,872
2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, outstanding | shares			543,889			543,889
Exercise price stock options outstanding | $ / shares			$ 4.15			$ 4.15
Contractual term					10 years
Intrinsic value of options exercised					$ 8,500,000	$ 17,500,000	13,900,000
Weighted average remaining service period					4 years
2012 Plan [Member] | Class A Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized | shares									5,200,000
2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, outstanding | shares			4,875,562		7,491,491	4,875,562
Exercise price stock options outstanding | $ / shares			$ 51.02		$ 50.39	$ 51.02
Intrinsic value of options exercised					$ 1,100,000	$ 700,000	$ 0.0
2017 Plan [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of RSUs | $ / shares					$ 56.65
Number of vesting equal annual installments | Installment					4
Weighted average period of recognition					2 years 2 months 12 days
Fair value of RSUs vested					$ 27,200,000
2017 Plan [Member] | Class A Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance | shares								16,999,318