Debt (Narrative) (Details)						1 Months Ended	12 Months Ended
	Sep. 12, 2025 USD ($)	Jul. 01, 2025 USD ($) shares	May 28, 2025 USD ($) shares	Jan. 18, 2024 USD ($)	Jun. 18, 2020 USD ($) $ / shares	Apr. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2025	Dec. 01, 2017 USD ($)	Apr. 30, 2014
Line of Credit Facility [Line Items]
Debt							$ 220,000,000	$ 320,195,000
Long-term debt							215,114,000	314,347,000
Debt issuance costs, net							4,886,000	5,848,000
For Period from Second Quarter To Fourth Quarter of Fiscal Year 2024 | Secured Debt [Member]
Line of Credit Facility [Line Items]
Net leverage ratio				6.25
From First Quarter of Fiscal Year 2025 and Thereafter | Secured Debt [Member]
Line of Credit Facility [Line Items]
Net leverage ratio				5.75
Secured Debt [Member] | Old Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt											$ 30,000,000.0
Convertible Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount					$ 100,000,000.0
Debt							0	100,000,000
Interest rate on amounts borrowed					4.25%
Proceeds from convertible debt					$ 96,500,000
Conversion price (in dollars per share) | $ / shares					$ 23.46
Interest expense							2,100,000	5,000,000.0	$ 5,000,000.0
Unamortized debt issuance costs							0	400,000
Conversion ratio					0.0426203
Credit Facilities, Convertible Senior Notes and Old Credit Facilities
Line of Credit Facility [Line Items]
Non-cash amortization of debt issuance costs							1,700,000
Convertible Senior Notes and Old Credit Facilities
Line of Credit Facility [Line Items]
Non-cash amortization of debt issuance costs								3,900,000	$ 1,900,000
Government Sponsored Debt Kfw Loan1 [Member]
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed												2.45%
1.40% Sparkasse Zollernalb (KFW Loan 2)
Line of Credit Facility [Line Items]
Debt							$ 0	$ 195,000
Interest rate on amounts borrowed							1.40%			1.40%
Credit and Guaranty Agreement | Secured Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 350,000,000
Term Loan Facility | Secured Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount				190,000,000
Debt				190,000,000
Delayed Draw Term Loan Facility | Secured Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount				100,000,000
Commitment fee percentage	1.00%
Revolving Credit Facility | Secured Debt [Member] | Base Rate
Line of Credit Facility [Line Items]
Credit facility margin	2.50%
Revolving Credit Facility | Secured Debt [Member] | SOFR
Line of Credit Facility [Line Items]
Credit facility margin	3.50%
Revolving Credit Facility | Secured Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount				60,000,000
Debt				30,000,000
Undrawn availability				$ 30,000,000
Commitment fee percentage	0.50%
Interest rate on amounts borrowed							7.49%
Revolving Credit Facility | Secured Debt [Member] | If Prepayment Occurs Prior to July 18, 2027
Line of Credit Facility [Line Items]
Debt instrument, prepayment premium				1.00%
New Delayed Draw Term Loan Facility
Line of Credit Facility [Line Items]
Unamortized debt issuance costs							$ 1,100,000
Debt issuance costs, net							$ 1,100,000
New Delayed Draw Term Loan Facility | Secured Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 150,000,000
Term Loan Facilities | Secured Debt [Member] | Base Rate
Line of Credit Facility [Line Items]
Credit facility margin	3.75%
Term Loan Facilities | Secured Debt [Member] | SOFR
Line of Credit Facility [Line Items]
Credit facility margin	4.75%
Term Loan Facilities | Secured Debt [Member]
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed							8.74%
Effective interest rate							9.38%
Losses on inducement/extinguishment of debt							$ 3,700,000
Exchange Agreements | Convertible Senior Notes
Line of Credit Facility [Line Items]
Converted instrument, amount			$ 99,500,000
Debt conversion, converted instrument, issued (in shares) | shares		19,605	4,334,347
Interest expense			$ 1,700,000
Long-term debt		$ 500,000
Induced conversion of convertible debt expense							2,700,000
Old Credit Facilities | Revolving Credit Facility And Term Loan
Line of Credit Facility [Line Items]
Debt											255,000,000.0
Old Term Loan Facility [Member]
Line of Credit Facility [Line Items]
Debt											$ 225,000,000.0
Notes Payable Issued For Prepayment Of Insurance Premiums | IPFS Corporation
Line of Credit Facility [Line Items]
Debt instrument, face amount						$ 3,100,000
Interest rate on amounts borrowed						6.05%
Loan term						1 year
Notes payable, current							900,000
Existing Term Loan Facility
Line of Credit Facility [Line Items]
Debt issuance costs, net							500,000
Existing Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt issuance costs, net							$ 200,000