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)		72,997
Beginning of period at Dec. 31, 2021	$ 188,406	$ 730	$ 488,036	$ 621	$ 442,596	$ (743,577)
Beginning of period (in shares) at Dec. 31, 2021						51,492
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,181				19,181
Issuance for stock-based compensation and dividends, net of forfeitures (in shares)		(1)
Issuance for stock-based compensation and dividends, net of forfeitures	1		319		(318)
Stock-based compensation expense	4,437		4,437
Employee stock purchase plan (in shares)						(3)
Employee stock purchase plan	242		193			$ 49
Dividends	(6,094)				(6,094)
Change in fair value of interest rate swaps	2,302			2,302
Repurchases of common stock (in shares)						147
Repurchases of common stock	(10,270)					$ (10,270)
Ending balance (in shares) at Mar. 31, 2022		72,996
End of period (in shares) at Mar. 31, 2022						51,636
End of period at Mar. 31, 2022	198,205	$ 730	492,985	2,923	455,365	$ (753,798)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		72,996
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					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)		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)
Change in fair value of interest rate swaps	0
Repurchases of common stock (in shares)						181
Repurchases of common stock	(10,244)					$ (10,244)
Other	$ (6)			(6)
Ending balance (in shares) at Mar. 31, 2023		73,247
End of period (in shares) at Mar. 31, 2023	52,920					52,920
End of period at Mar. 31, 2023	$ 185,725	$ 732	$ 512,572	$ 0	$ 501,630	$ (829,209)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		73,247