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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2021
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets Disclosure The gross carrying amount and accumulated amortization by intangible asset class were as follows:
 (Dollars in thousands)
September 30, 2021December 31, 2020
Gross Carrying AmountAccumulated AmortizationNet Carrying ValueGross Carrying AmountAccumulated AmortizationNet Carrying Value
Trade names$11,364 $(3,593)$7,771 $11,289 $(2,733)$8,556 
Customer relationships12,410 (3,385)9,025 12,349 (2,402)9,947 
$23,774 $(6,978)$16,796 $23,638 $(5,135)$18,503