Goodwill And Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible Assets With Determinable Useful Lives By Major Category

Intangible Assets
	As of March 31, 2021						As of December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(Dollars in thousands)
Trade name	$	22,500	$	(12,439)	$	10,061	$	22,500	$	(11,932)	$	10,568
Technological know-how	55,300		(35,237)		20,063		55,300		(34,091)		21,209
Customer–related intangible	64,500		(24,937)		39,563		64,500		(23,848)		40,652
Total finite-lived intangible assets	$	142,300	$	(72,613)	$	69,687	$	142,300	$	(69,871)	$	72,429