CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Beginning balance at Dec. 31, 2020	$ 606,224	$ 357,803	$ (5,452)	$ 958,575
Beginning balance (in shares) at Dec. 31, 2020	55,623
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		48,454		48,454
Other comprehensive income (loss)			(2,539)	(2,539)
Stock-based compensation expense	$ 14,579			14,579
Options exercised	$ 20,374			20,374
Options exercised (in shares)	883
Issuance of common stock under Employee Stock Purchase Plan	$ 1,112			1,112
Issuance of common stock under Employee Stock Purchase Plan (in shares)	18
Shares issued from time-vested restricted stock units (in shares)	59
Shares surrendered in exchange for payment of payroll tax liabilities	$ (576)			(576)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(10)
Shares surrendered in exchange for exercise of stock options	$ (180)			(180)
Shares surrendered in exchange for exercise of stock options (in shares)	(3)
Ending balance at Dec. 31, 2021	$ 641,533	406,257	(7,991)	1,039,799
Ending balance (in shares) at Dec. 31, 2021	56,570
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		74,516		74,516
Other comprehensive income (loss)			(3,559)	(3,559)
Stock-based compensation expense	$ 16,045			16,045
Options exercised	$ 20,092			20,092
Options exercised (in shares)	703
Issuance of common stock under Employee Stock Purchase Plan	$ 1,118			1,118
Issuance of common stock under Employee Stock Purchase Plan (in shares)	19
Shares issued from time-vested restricted stock units (in shares)	70
Shares surrendered in exchange for payment of payroll tax liabilities	$ (2,474)			(2,474)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(38)
Shares surrendered in exchange for exercise of stock options	$ (1,140)			(1,140)
Shares surrendered in exchange for exercise of stock options (in shares)	(18)
Ending balance at Dec. 31, 2022	$ 675,174	480,773	(11,550)	$ 1,144,397
Ending balance (in shares) at Dec. 31, 2022	57,306			57,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		94,411		$ 94,411
Other comprehensive income (loss)			216	216
Stock-based compensation expense	$ 19,043			19,043
Options exercised	$ 20,312			$ 20,312
Options exercised (in shares)	606			606
Issuance of common stock under Employee Stock Purchase Plan	$ 1,081			$ 1,081
Issuance of common stock under Employee Stock Purchase Plan (in shares)	15
Shares issued from time-vested restricted stock units (in shares)	92
Purchase of capped call option	$ (66,528)			(66,528)
Shares surrendered in exchange for payment of payroll tax liabilities	$ (5,123)			(5,123)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(75)
Shares surrendered in exchange for exercise of stock options	$ (5,809)			(5,809)
Shares surrendered in exchange for exercise of stock options (in shares)	(86)
Ending balance at Dec. 31, 2023	$ 638,150	$ 575,184	$ (11,334)	$ 1,202,000
Ending balance (in shares) at Dec. 31, 2023	57,858			57,858