Shareholders' Equity (Deficit) - Summary of Vested and Unvested Share-Based Awards Activity (Detail) shares in Thousands	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Vested and unvested Share-based Awards at the beginning of period, Number of Shares | shares	739
Granted, Number of Shares | shares	330
Conversion to common stock, Number of Shares | shares	(340)
Canceled, Number of Shares | shares	(32)
Vested and unvested Share-based Awards at the end of period, Number of Shares | shares	697
Vested and unvested Share-based Awards at the beginning of period, Weighted Average Grant Date Fair Value | $ / shares	$ 163.99
Granted, Weighted Average Grant Date Fair Value | $ / shares	265.99
Conversion to common stock, Weighted Average Grant Date Fair Value | $ / shares	153.66
Canceled, Weighted Average Grant Date Fair Value | $ / shares	274.66
Vested and unvested Share-based Awards at the end of period, Weighted Average Grant Date Fair Value | $ / shares	$ 217.05