Basic and Diluted Loss per Share - Schedule of Weighted Average of Potential Class A Common Stock Excluded from Computation of Earnings Per Share (Detail) - Class A - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	3,998	3,723	3,914	3,572
2025 Convertible Notes
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	1,633	1,633	1,633	1,633
2027 Convertible Notes
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	733	733	733	601
Stock Options
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	1,497	1,252	1,428	1,246
RSU
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	130	103	118	91
Employee Stock Purchase Plan
Class of Stock
Weighted shares of potential class A stock excluded from calculation of diluted earnings per share	5	2	2	1