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, 2021	$ 641,533	$ 406,257	$ (7,991)	$ 1,039,799
Beginning balance (in shares) at Dec. 31, 2021	56,570
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		10,545		10,545
Other comprehensive income (loss)			1,338	1,338
Stock-based compensation expense	$ 4,212			4,212
Options exercised	$ 1,320			1,320
Options exercised (in shares)	52
Issuance of common stock under Employee Stock Purchase Plan	$ 320			320
Issuance of common stock under Employee Stock Purchase Plan (in shares)	5
Shares issued from time-vested restricted stock units (in shares)	44
Shares surrendered in exchange for payment of payroll tax liabilities	$ (1,015)			(1,015)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(16)
Ending balance at Mar. 31, 2022	$ 646,370	416,802	(6,653)	1,056,519
Ending balance (in shares) at Mar. 31, 2022	56,655
Beginning balance at Dec. 31, 2021	$ 641,533	406,257	(7,991)	1,039,799
Beginning balance (in shares) at Dec. 31, 2021	56,570
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				41,115
Other comprehensive income (loss)				(8,738)
Shares surrendered in exchange for exercise of stock options				(898)
Ending balance at Sep. 30, 2022	$ 658,198	447,372	(16,729)	1,088,841
Ending balance (in shares) at Sep. 30, 2022	56,918
Beginning balance at Mar. 31, 2022	$ 646,370	416,802	(6,653)	1,056,519
Beginning balance (in shares) at Mar. 31, 2022	56,655
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		15,298		15,298
Other comprehensive income (loss)			(4,066)	(4,066)
Stock-based compensation expense	$ 3,952			3,952
Options exercised	$ 1,303			1,303
Options exercised (in shares)	58
Issuance of common stock under Employee Stock Purchase Plan	$ 301			301
Issuance of common stock under Employee Stock Purchase Plan (in shares)	6
Shares issued from time-vested restricted stock units (in shares)	26
Ending balance at Jun. 30, 2022	$ 651,926	432,100	(10,719)	1,073,307
Ending balance (in shares) at Jun. 30, 2022	56,745
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		15,272		15,272
Other comprehensive income (loss)			(6,010)	(6,010)
Stock-based compensation expense	$ 3,893			3,893
Options exercised	$ 4,141			4,141
Options exercised (in shares)	201
Issuance of common stock under Employee Stock Purchase Plan	$ 246			246
Issuance of common stock under Employee Stock Purchase Plan (in shares)	5
Shares surrendered in exchange for payment of payroll tax liabilities	$ (1,110)			(1,110)
Shares surrendered in exchange for payment of payroll tax liabilities (in shares)	(18)
Shares surrendered in exchange for exercise of stock options	$ (898)			(898)
Shares surrendered in exchange for exercise of stock options (in shares)	(15)
Ending balance at Sep. 30, 2022	$ 658,198	447,372	(16,729)	1,088,841
Ending balance (in shares) at Sep. 30, 2022	56,918
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			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			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			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			57,746