Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-Term Debt

	December 31,
(in thousands, except percentages)	2023		2022
Note payable, variable rate (7.08% at December 31, 2023), payable in increasing amounts plus interest, due 2029	$	191,055	$	201,524
Note payable, variable rate (6.95% at December 31, 2023), payable in increasing amounts plus interest, due 2027	128,320		135,352
Note payable, variable rate (7.03% at December 31, 2023), payable in increasing amounts plus interest, due 2031	97,500		—
Note payable, 4.50%, payable at maturity, due 2034 (a)	91,744		95,500
Note payable, 4.85%, payable at maturity, due 2026	25,000		25,000
Industrial revenue bond, variable rate (5.22% at December 31, 2023), payable at maturity, due 2036	21,000		21,000
Note payable, 4.50%, payable at maturity, due 2030	16,000		16,000
Note payable, 5.00%, payable at maturity, due 2040	14,000		14,000
Finance lease obligations, due serially to 2043 (a)	9,013		9,965
Note payable, variable rate, payable at maturity, due 2023	—		63,335
Note payable, 4.55%, payable at maturity, due 2023	—		24,000
	593,632		605,676
Less: current maturities	27,561		110,155
Less: unamortized prepaid debt issuance costs	3,111		3,003
	$	562,960	$	492,518

(a) Debt is collateralized by first mortgages on certain facilities and related equipment or other assets with a book value of $50.7 million.