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, 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			58,102