Stock Incentive Plans and Stock Purchase Plans - Additional Information (Detail) - USD ($) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	May 07, 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee benefits and share-based compensation expense	$ 7,000		$ 8,400
Restructuring Expences	8,475	$ 3,834	$ 13,397	$ 10,439
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Aggregate number Shares issued under Stock Purchase Plans			0.1
Stock-based compensation expense	4,900	2,000	$ 8,600	4,300
Restructuring Expences	$ 200	$ 1,900	$ 1,100	$ 3,300
Employee Stock Option | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of options, maximum years			10 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
2015 Non-Qualified Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of market value of common stock at which employees are permitted to purchase			90.00%
Amended and Restated 2008 Plan [Member] | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grants and awards under Stock Incentive Plans	7.1		7.1
Amended and Restated 2008 Plan [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period			1.4
Amended and Restated 2008 Plan [Member] | Market Based Restricted Stock Units (PRSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grants and awards under Stock Incentive Plans	0.1		0.1
Second Amended and Restated 2008 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance					8.0
Common stock, reserved for issuance					8.0
1996 Non-Qualified Employee Stock Purchase Plan and 2015 Non-Qualified Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	1.2		1.2
Percentage of market value of common stock at which employees are permitted to purchase			85.00%
Common stock, reserved for issuance	1.2		1.2