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Goodwill and Acquired Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Acquired Intangible Assets
Acquired intangible assets include the following:

March 31, 2023December 31, 2022
(Dollars in thousands)
Useful Life
(in years)(1)
Cost BasisAccumulated AmortizationNetCost BasisAccumulated AmortizationNet
Tradename and trademarks10$68,470 $(7,418)$61,052 $68,470 $(5,706)$62,764 
Customer relationships55,670 (2,178)3,492 5,670 (1,723)3,947 
Developed technology31,260 (455)805 1,260 (350)910 
Total acquired intangible assets$75,400 $(10,051)$65,349 $75,400 $(7,779)$67,621 
(1)     The weighted average useful life of acquired intangible assets related to the Nitro acquisition is 9.51 years.