Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of gross carrying amount and related accumulated amortization of the intangible assets

The following sets forth the gross carrying amount and related accumulated amortization of the intangible assets (dollars in thousands):

	Weighted- Average Life	December 31, 2019			December 31, 2018
Capitalized patent defense costs	3.01 - 7.25 years	$	43,375		$	44,724
Less accumulated amortization		(18,535		)	(13,356		)
Total		$	24,840		$	31,368