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Stock-based compensation - Narrative (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increased number of issuance of awards under the 2013 Plan (in shares)	2,700,000	2,200,000
Number of shares available for issuance (in shares)			3,500,000
Stock-based compensation expense			$ 42,474	$ 36,293
Amount capitalized			300
Unrecognized stock- based compensation expense related to unvested stock options, restricted stock units, performance-based restricted stock units and employee stock purchase plan			$ 252,400
Expected weighted-average period related to unvested stock options, restricted stock units, performance-based restricted stock units and employee stock purchase plan			2 years 2 months 12 days
Granted (in shares)			671,000
Stock option share exercised (in shares)			207,000
Proceed from option share exercised			$ 1,200
Retention Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee benefits and share-based compensation expense			13,300
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount capitalized				100
Maximum \| Cost Of Royalty And Other Revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount capitalized			100
Employee stock purchase plan and other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 7,082	$ 0
Common shares reserved for future issuance (in shares)					200,000
Employee stock purchase plan and other \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock issued under plan (in shares)			100,000	100,000
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 14,733	$ 11,853
Unrestricted Stock Awards \| 2020 Annual Incentive Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			400,000
Unrestricted Stock Awards \| Retention Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 6,700