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Intangible Assets
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Intangible Assets
The following table summarizes intangible assets with determinable useful lives by major category, which are included in “Other assets” on our Condensed Consolidated Balance Sheets:
 March 31, 2025December 31, 2024
Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount		Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
(Dollars in thousands)
Trade names$22,500 $(18,427)$4,073 $22,500 $(18,226)$4,274 
Technology and know-how55,300 (49,249)6,051 55,300 (48,613)6,687 
Customer-related intangibles64,500 (42,123)22,377 64,500 (41,063)23,437 
Total finite-lived intangible assets$142,300 $(109,799)$32,501 $142,300 $(107,902)$34,398 
Amortization expense for intangible assets was $1.9 million and $2.1 million in the three months ended March 31, 2025 and 2024, respectively. Amortization expense is expected to be approximately $5.4 million for the remainder of 2025, $6.7 million in 2026, $6.1 million in 2027, $5.5 million in 2028, $4.9 million in 2029 and $2.9 million in 2030.