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, 2022	$ 675,174	$ 480,773	$ (11,550)	$ 1,144,397
Beginning balance (in shares) at Dec. 31, 2022	57,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		20,703		20,703
Other comprehensive income (loss)			621	621
Stock-based compensation expense	$ 3,498			3,498
Options exercised	$ 3,726			3,726
Options exercised (in shares)	123
Issuance of common stock under Employee Stock Purchase Plan	$ 302			302
Issuance of common stock under Employee Stock Purchase Plan (in shares)	4
Shares issued from time-vested restricted stock units (in shares)	61
Shares surrendered in exchange for payment of payroll tax liabilities	$ (1,592)			(1,592)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(22)
Ending balance at Mar. 31, 2023	$ 681,108	501,476	(10,929)	1,171,655
Ending balance (in shares) at Mar. 31, 2023	57,472
Beginning balance at Dec. 31, 2022	$ 675,174	480,773	(11,550)	1,144,397
Beginning balance (in shares) at Dec. 31, 2022	57,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				66,782
Other comprehensive income (loss)				(1,301)
Shares surrendered in exchange for exercise of stock options				(5,809)
Ending balance at Sep. 30, 2023	$ 695,181	547,555	(12,851)	1,229,885
Ending balance (in shares) at Sep. 30, 2023	57,746
Beginning balance at Mar. 31, 2023	$ 681,108	501,476	(10,929)	1,171,655
Beginning balance (in shares) at Mar. 31, 2023	57,472
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		20,245		20,245
Other comprehensive income (loss)			1,385	1,385
Stock-based compensation expense	$ 4,980			4,980
Options exercised	$ 5,154			5,154
Options exercised (in shares)	128
Issuance of common stock under Employee Stock Purchase Plan	$ 281			281
Issuance of common stock under Employee Stock Purchase Plan (in shares)	4
Shares issued from time-vested restricted stock units (in shares)	30
Ending balance at Jun. 30, 2023	$ 691,523	521,721	(9,544)	1,203,700
Ending balance (in shares) at Jun. 30, 2023	57,634
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		25,834		25,834
Other comprehensive income (loss)			(3,307)	(3,307)
Stock-based compensation expense	$ 5,206			5,206
Options exercised	$ 7,555			7,555
Options exercised (in shares)	247
Issuance of common stock under Employee Stock Purchase Plan	$ 237			237
Issuance of common stock under Employee Stock Purchase Plan (in shares)	4
Shares surrendered in exchange for payment of payroll tax liabilities	$ (3,531)			(3,531)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(53)
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 Sep. 30, 2023	$ 695,181	547,555	(12,851)	1,229,885
Ending balance (in shares) at Sep. 30, 2023	57,746
Beginning balance at Dec. 31, 2023	$ 638,150	575,184	(11,334)	$ 1,202,000
Beginning balance (in shares) at Dec. 31, 2023	57,858			57,858
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		28,240		$ 28,240
Other comprehensive income (loss)			(1,122)	(1,122)
Stock-based compensation expense	$ 4,934			4,934
Options exercised	$ 7,394			7,394
Options exercised (in shares)	213
Issuance of common stock under Employee Stock Purchase Plan	$ 336			336
Issuance of common stock under Employee Stock Purchase Plan (in shares)	5
Shares issued from time-vested restricted stock units (in shares)	47
Shares surrendered in exchange for payment of payroll tax liabilities	$ (1,592)			(1,592)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(21)
Ending balance at Mar. 31, 2024	$ 649,222	603,424	(12,456)	1,240,190
Ending balance (in shares) at Mar. 31, 2024	58,102
Beginning balance at Dec. 31, 2023	$ 638,150	575,184	(11,334)	$ 1,202,000
Beginning balance (in shares) at Dec. 31, 2023	57,858			57,858
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				$ 92,410
Other comprehensive income (loss)				(2,061)
Ending balance at Sep. 30, 2024	$ 669,207	667,594	(13,395)	$ 1,323,406
Ending balance (in shares) at Sep. 30, 2024	58,274			58,274
Beginning balance at Mar. 31, 2024	$ 649,222	603,424	(12,456)	$ 1,240,190
Beginning balance (in shares) at Mar. 31, 2024	58,102
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		35,726		35,726
Other comprehensive income (loss)			(2,973)	(2,973)
Stock-based compensation expense	$ 6,301			6,301
Options exercised	$ 2,913			2,913
Options exercised (in shares)	66
Issuance of common stock under Employee Stock Purchase Plan	$ 288			288
Issuance of common stock under Employee Stock Purchase Plan (in shares)	4
Shares issued from time-vested restricted stock units (in shares)	20
Ending balance at Jun. 30, 2024	$ 658,724	639,150	(15,429)	1,282,445
Ending balance (in shares) at Jun. 30, 2024	58,192
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		28,444		28,444
Other comprehensive income (loss)			2,034	2,034
Stock-based compensation expense	$ 5,990			5,990
Options exercised	$ 4,247			4,247
Options exercised (in shares)	80
Issuance of common stock under Employee Stock Purchase Plan	$ 246			246
Issuance of common stock under Employee Stock Purchase Plan (in shares)	2
Ending balance at Sep. 30, 2024	$ 669,207	$ 667,594	$ (13,395)	$ 1,323,406
Ending balance (in shares) at Sep. 30, 2024	58,274			58,274