Income Taxes - Reconciliation of Federal Statutory Rate to Effective Income Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Rate Reconciliation [Line Items]
Income before income taxes	$ 219,140	$ 153,543	$ 59,217
Expected tax at statutory rate	46,020	32,247	12,436
Adjustments due to:
Difference between U.S. and foreign tax	1,024	530	618
State income and franchise tax	3,509	1,462	133
Business tax credits	(5,139)	(2,239)	(4,660)
Stock-based compensation expense	(5,638)	(9,049)	(9,243)
U.S. taxation of foreign earnings	83	30	51
Foreign-derived intangible income	(5,042)	(2,547)
Executive compensation	5,441	3,397	1,401
Contingent consideration	(6,033)	1,232
Change in U.S. and foreign tax rates	2	32	(2,650)
Uncertain tax provisions	234	(443)	(168)
Change in valuation allowance	(688)	(48)	(12)
Other	(592)	(648)	1,385
Total	$ 33,181	$ 25,252	$ (709)
Expected tax at statutory rate	21.00%	21.00%	21.00%
Adjustments due to:
Difference between U.S. and foreign tax	0.50%	0.30%	1.00%
State income and franchise tax	1.60%	1.00%	0.20%
Business tax credits	(2.30%)	(1.50%)	(7.90%)
Stock-based compensation expense	(2.60%)	(5.90%)	(15.60%)
U.S. taxation of foreign earnings	0.00%	0.00%	0.10%
Foreign-derived intangible income	(2.30%)	(1.70%)	0.00%
Executive compensation	2.50%	2.20%	2.40%
Contingent consideration	(2.80%)	0.80%	0.00%
Change in U.S. and foreign tax rates	0.00%	(0.00%)	(4.50%)
Uncertain tax provisions	(0.10%)	0.30%	(0.30%)
Change in valuation allowance	(0.30%)	(0.00%)	(0.00%)
Other	(0.30%)	(0.40%)	2.30%
Income tax (benefit) provision	15.10%	16.40%	(1.20%)