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Goodwill And Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Intangible Assets With Determinable Useful Lives By Major Category
The following table summarizes acquired intangible assets with determinable useful lives by major category which are included in "Other assets" on our Consolidated Balance Sheets:
 
As of December 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 $(13,935)$8,565 $22,500 $(11,932)$10,568 
Technology and know-how55,300 (38,486)16,814 55,300 (34,091)21,209 
Customer related intangible64,500 (28,195)36,305 64,500 (23,848)40,652 
Total finite-lived intangible assets$142,300 $(80,616)$61,684 $142,300 $(69,871)$72,429