Debt - Additional Information (Detail) $ in Thousands		1 Months Ended		3 Months Ended		6 Months Ended
	Sep. 29, 2022 USD ($)	Jun. 30, 2023 USD ($)	Aug. 31, 2022 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025	Jun. 30, 2026 USD ($) Bond	Jun. 30, 2025	Dec. 31, 2025 USD ($)	Jun. 25, 2025 USD ($)	Oct. 14, 2022
Line Of Credit Facility [Line Items]
Swing loans				$ 2,733		$ 2,733		$ 1,219
Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Long term debt				9,191		$ 9,191		9,191
Number of industrial revenue bonds | Bond						2
Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity									$ 125,000
Maturity date						Jun. 25, 2030
Long term debt				58,233		$ 58,233		52,219
Line of credit, remaining borrowing capacity				29,043		29,043
Debt issuance costs				$ 891		$ 891
Effective interest rate during period				6.51%	7.21%	6.48%	7.15%
Revolving Credit Facility [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Fixed charge coverage ratio				1.05		1.05
Revolving Credit Facility [Member] | SOFR [Member]
Line Of Credit Facility [Line Items]
Debt instrument description of interest rate						Secured Overnight Financing Rate (“SOFR”) plus an applicable margin ranging between 2.00% and 2.50%.
Revolving Credit Facility [Member] | SOFR [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread						2.00%
Revolving Credit Facility [Member] | SOFR [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread						2.50%
Revolving Credit Facility [Member] | Senior Secured Asset-Based Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity									100,000
Revolving Credit Facility [Member] | Letter of Credit [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity									40,000
Revolving Credit Facility [Member] | European Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity									30,000
Sale and Leaseback Financing Obligations [Member]
Line Of Credit Facility [Line Items]
Long term debt				$ 46,652		$ 46,652		46,296
Lessee lease term										20 years
Lessee, operating lease, option to extend						however, UES may extend the lease for the Properties for four successive periods of five years each. If fully extended, the Restated Lease would expire in August 2062
Lessee, operating term period										5 years
Extended lease expiration date										2062-08
Lease repurchase percentage on lessor investment for properties										115.00%
Effective interest rate during period				8.29%	8.26%	8.28%	8.26%
Rental properties				$ 3,795		$ 3,795
Sale and Leaseback Financing Obligations [Member] | Capital Additions [Member]
Line Of Credit Facility [Line Items]
Estimated cost on upgrading existing equipment			$ 2,500
Proceeds from disbursement agreement		$ 2,500
Annual rent adjustment to repay restated lease			$ 2,500
Sale and Leaseback Financing Obligations [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Incremental percentage on annual lease payment						2.04%
Change in consumer price index ratio						1.25
Taxable Industrial Revenue Bond [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Maturity date						Nov. 01, 2027
Long term debt				$ 7,116		$ 7,116
Interest at a floating rate on tax-exempt IRB maturing in 2027/2029				3.77%	4.41%	3.74%	4.42%
Tax Exempt Industrial Revenue Bond Two [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Maturity date						Mar. 01, 2029
Long term debt				$ 2,075		$ 2,075
Interest at a floating rate on tax-exempt IRB maturing in 2027/2029				2.61%	3.44%	2.50%	3.21%
Equipment Financing Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity	$ 20,000
Long term debt				$ 13,487		$ 13,487		14,633
Payments of principal and interest						$ 293
Debt instrument, maturity date, description						2031
Debt Instrument, Term	84 months
Equipment Financing Facility [Member] | Term Notes [Member]
Line Of Credit Facility [Line Items]
Effective interest rate during period				8.55%	8.66%	8.55%	8.66%
Equipment Financing Facility [Member] | Term Notes [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Effective interest rate				8.40%		8.40%
Equipment Financing Facility [Member] | Term Notes [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Effective interest rate				9.22%		9.22%
Equipment Term Notes [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity				$ 13,500		$ 13,500			13,500
Frequency of payment and payment terms, description						On June 25, 2025, the Corporation borrowed $13,500 with such proceeds used to paydown borrowings under the Revolving Credit Facility. The Equipment Term Notes are payable in equal monthly installments of principal of $161 commencing August 1, 2025, and continuing on the first day of each month through June 2030, followed by the sixtieth payment of all unpaid principal, accrued and unpaid interest and all unpaid fees, unless otherwise refinanced.
Borrowed amount									$ 13,500
Monthly installment						$ 161
Principal payments term, Description						principal payments due during the next 12 months
Long term debt				$ 8,934		$ 8,934		$ 9,898
Effective interest rate during period				7.26%		7.28%
Interest rate					7.93%		7.93%
Equipment Term Notes [Member] | SOFR [Member]
Line Of Credit Facility [Line Items]
Debt instrument description of interest rate						Borrowings under the Equipment Term Notes bear interest at SOFR plus an applicable margin ranging between 3.00% and 3.50%.
Equipment Term Notes [Member] | SOFR [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread						3.00%
Equipment Term Notes [Member] | SOFR [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread						3.50%