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Warranty Accrual (Tables)
 6 Months Ended
Jun. 30, 2024
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability
The table set forth below summarizes accrual, adjustment and payment activity related to our warranty accrual for the three and six months ended June 30, 2024 and 2023. The warranty accrual during the six months ended June 30, 2024 increased due to a $3.1 million adjustment to increase our warranty accrual during the period. This adjustment was due to higher general warranty related expenditures.
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
(Dollars in thousands)
Balance at beginning of period$47,328 $46,666 $44,082 $46,857 
Expense provisions7,102 6,302 13,723 11,937 
Cash payments(8,003)(5,759)(14,428)(11,585)
Adjustments— — 3,050 — 
Balance at end of period$46,427 $47,209 $46,427 $47,209