CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 208	$ 306
Property, plant, and equipment, accumulated depreciation	188,041	184,131
Intangible assets, accumulated amortization	$ 24,515	$ 21,148
Preferred stock, par value (in dollars per shares)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	33,322,535	32,826,852
Common stock, shares outstanding (in shares)	33,322,535	32,826,852
Treasury stock, shares (in shares)	2,134,604	1,899,996