Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		34,060
Balance, value at Dec. 31, 2022	$ 822,099	$ 340	$ 322,873	$ 627,978	$ (3,432)	$ (125,660)
Beginning balance (in shares) at Dec. 31, 2022						3,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	51,822			51,822
Foreign currency translation adjustment	(683)				(683)
Stock compensation expense	5,056		5,056
Net settlement of restricted stock units (in shares)		126				50
Net settlement of restricted stock units	(2,803)	$ 2	(2)			$ (2,803)
Awards of common stock (in shares)		8
Common stock repurchased under stock repurchase program (in shares)						521
Common stock repurchased under stock repurchase program	(25,181)					$ (25,181)
Ending balance (in shares) at Jun. 30, 2023		34,194
Balance, value at Jun. 30, 2023	850,310	$ 342	327,927	679,800	(4,115)	$ (153,644)
Ending balance (in shares) at Jun. 30, 2023						3,770
Beginning balance (in shares) at Mar. 31, 2023		34,148
Balance, value at Mar. 31, 2023	835,387	$ 341	324,466	649,077	(3,539)	$ (134,958)
Beginning balance (in shares) at Mar. 31, 2023						3,389
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	30,723			30,723
Foreign currency translation adjustment	(576)				(576)
Stock compensation expense	3,462		3,462
Net settlement of restricted stock units (in shares)		38				14
Net settlement of restricted stock units	(874)	$ 1	(1)			$ (874)
Awards of common stock (in shares)		8
Common stock repurchased under stock repurchase program (in shares)						367
Common stock repurchased under stock repurchase program	(17,812)					$ (17,812)
Ending balance (in shares) at Jun. 30, 2023		34,194
Balance, value at Jun. 30, 2023	$ 850,310	$ 342	327,927	679,800	(4,115)	$ (153,644)
Ending balance (in shares) at Jun. 30, 2023						3,770
Beginning balance (in shares) at Dec. 31, 2023	34,219	34,219
Balance, value at Dec. 31, 2023	$ 914,998	$ 342	332,621	738,511	(2,114)	$ (154,362)
Beginning balance (in shares) at Dec. 31, 2023	3,778					3,778
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 57,144			57,144
Foreign currency translation adjustment	(1,382)				(1,382)
Stock compensation expense	6,358		6,358
Net settlement of restricted stock units (in shares)		48				19
Net settlement of restricted stock units	$ (1,447)	$ 1	(1)			$ (1,447)
Awards of common stock (in shares)		7
Ending balance (in shares) at Jun. 30, 2024	34,219	34,274
Balance, value at Jun. 30, 2024	$ 975,671	$ 343	338,978	795,655	(3,496)	$ (155,809)
Ending balance (in shares) at Jun. 30, 2024	3,797					3,797
Beginning balance (in shares) at Mar. 31, 2024		34,266
Balance, value at Mar. 31, 2024	$ 940,185	$ 343	335,259	763,457	(3,078)	$ (155,796)
Beginning balance (in shares) at Mar. 31, 2024						3,797
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	32,198			32,198
Foreign currency translation adjustment	(418)				(418)
Stock compensation expense	3,719		3,719
Net settlement of restricted stock units (in shares)		1
Net settlement of restricted stock units	$ (13)					$ (13)
Awards of common stock (in shares)		7
Ending balance (in shares) at Jun. 30, 2024	34,219	34,274
Balance, value at Jun. 30, 2024	$ 975,671	$ 343	$ 338,978	$ 795,655	$ (3,496)	$ (155,809)
Ending balance (in shares) at Jun. 30, 2024	3,797					3,797