UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		73,242
Beginning of period at Dec. 31, 2022	$ 182,198	$ 732	$ 507,734	$ 6	$ 492,764	$ (819,038)
Beginning of period (in shares) at Dec. 31, 2022						52,744
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,210				16,210
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		5
Issuance for stock-based compensation and dividends, net of forfeitures	(1)	$ 0	340		(341)
Stock-based compensation expense	4,326		4,326
Employee stock purchase plan (in shares)						(5)
Employee stock purchase plan	245		172			$ 73
Dividends	(7,003)				(7,003)
Repurchases of common stock (in shares)						181
Repurchases of common stock	(10,244)					$ (10,244)
Ending balance (in shares) at Mar. 31, 2023		73,247
End of period at Mar. 31, 2023	$ 185,725	$ 732	512,572	0	501,630	$ (829,209)
End of period (in shares) at Mar. 31, 2023						52,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.36
Stockholders' Equity, Other	$ 6			6
Beginning of period at Dec. 31, 2022	182,198	$ 732	507,734	6	492,764	$ (819,038)
Beginning of period (in shares) at Dec. 31, 2022						52,744
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	45,359
Employee stock purchase plan	817
Ending balance (in shares) at Sep. 30, 2023		73,224
End of period at Sep. 30, 2023	178,952	$ 732	523,669	0	516,540	$ (861,989)
End of period (in shares) at Sep. 30, 2023						53,464
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		73,247
Beginning of period at Mar. 31, 2023	185,725	$ 732	512,572	0	501,630	$ (829,209)
Beginning of period (in shares) at Mar. 31, 2023						52,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,574				18,574
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		32
Issuance for stock-based compensation and dividends, net of forfeitures	0	$ 0	322		(322)
Stock-based compensation expense	4,309		4,309
Employee stock purchase plan (in shares)						(5)
Employee stock purchase plan	296		219			$ 77
Dividends	(6,945)				(6,945)
Repurchases of common stock (in shares)						248
Repurchases of common stock	(14,341)					$ (14,341)
Ending balance (in shares) at Jun. 30, 2023		73,279
End of period at Jun. 30, 2023	$ 187,618	$ 732	517,422	0	512,937	$ (843,473)
End of period (in shares) at Jun. 30, 2023						53,163
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.36
Beginning balance (in shares)		73,279
Net income	$ 10,575				10,575
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		55
Issuance for stock-based compensation and dividends, net of forfeitures	0	$ 0	78		(78)
Stock-based compensation expense	5,967		5,967
Employee stock purchase plan (in shares)						(4)
Employee stock purchase plan	276		202			$ 74
Dividends	(6,894)				(6,894)
Repurchases of common stock (in shares)						305
Repurchases of common stock	(18,590)					$ (18,590)
Ending balance (in shares) at Sep. 30, 2023		73,224
End of period at Sep. 30, 2023	$ 178,952	$ 732	523,669	0	516,540	$ (861,989)
End of period (in shares) at Sep. 30, 2023						53,464
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.36
Beginning balance (in shares)		73,224
Beginning balance (in shares)		73,462
Beginning of period at Dec. 31, 2023	$ 159,080	$ 734	527,288	0	525,222	$ (894,164)
Beginning of period (in shares) at Dec. 31, 2023	53,941					53,941
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 10,987				10,987
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		7
Issuance for stock-based compensation and dividends, net of forfeitures	0	$ 1	285		(286)
Stock-based compensation expense	3,501		3,501
Employee stock purchase plan (in shares)						(3)
Employee stock purchase plan	204		152			$ 52
Dividends	(7,128)				(7,128)
Repurchases of common stock (in shares)						30
Repurchases of common stock	(2,139)					$ (2,139)
Ending balance (in shares) at Mar. 31, 2024		73,455
End of period at Mar. 31, 2024	$ 164,505	$ 735	531,226	0	528,795	$ (896,251)
End of period (in shares) at Mar. 31, 2024						53,968
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.38
Beginning of period at Dec. 31, 2023	$ 159,080	$ 734	527,288	0	525,222	$ (894,164)
Beginning of period (in shares) at Dec. 31, 2023	53,941					53,941
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 39,353
Employee stock purchase plan	612
Ending balance (in shares) at Sep. 30, 2024		73,484
End of period at Sep. 30, 2024	$ 167,374	$ 735	539,169	0	542,410	$ (914,940)
End of period (in shares) at Sep. 30, 2024	54,261					54,261
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		73,455
Beginning of period at Mar. 31, 2024	$ 164,505	$ 735	531,226	0	528,795	$ (896,251)
Beginning of period (in shares) at Mar. 31, 2024						53,968
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,157				14,157
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		24
Issuance for stock-based compensation and dividends, net of forfeitures	0	$ 0	286		(286)
Stock-based compensation expense	3,498		3,498
Employee stock purchase plan (in shares)						(3)
Employee stock purchase plan	202		151			$ 51
Dividends	(7,101)				(7,101)
Repurchases of common stock (in shares)						139
Repurchases of common stock	(8,641)					$ (8,641)
Ending balance (in shares) at Jun. 30, 2024		73,479
End of period at Jun. 30, 2024	$ 166,620	$ 735	535,161	0	535,565	$ (904,841)
End of period (in shares) at Jun. 30, 2024						54,104
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.38
Beginning balance (in shares)		73,479
Net income	$ 14,209				14,209
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		5
Issuance for stock-based compensation and dividends, net of forfeitures	0	$ 0	311		(311)
Stock-based compensation expense	3,549		3,549
Employee stock purchase plan (in shares)						(4)
Employee stock purchase plan	206		148			$ 58
Dividends	(7,053)				(7,053)
Repurchases of common stock (in shares)						161
Repurchases of common stock	(10,157)					$ (10,157)
Ending balance (in shares) at Sep. 30, 2024		73,484
End of period at Sep. 30, 2024	$ 167,374	$ 735	$ 539,169	$ 0	$ 542,410	$ (914,940)
End of period (in shares) at Sep. 30, 2024	54,261					54,261
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.38
Beginning balance (in shares)		73,484