7. Goodwill and Other Intangible Assets

All of the Company’s $47,150 of goodwill is included in the Debit and Credit segment at December 31, 2020 and 2019. The Company completed its goodwill impairment testing as of October 1, 2020 and the Company determined it is not more likely than not that the fair value of each reporting unit is less than its carrying amount.

CPI’s amortizable intangible assets consist of customer relationships, technology and software, and trademarks. Total intangible assets are being amortized over a weighted-average useful life of 15.7 years. Intangible amortization expense totaled $4,595 and $4,635 for the years ended December 31, 2020 and 2019, respectively. During the years ended December 31, 2020 and 2019, there were no impairments of the Company’s amortizable intangible assets.

Intangible assets consist of the following:


		December 31, 2020						December 31, 2019
	Weighted Average			Accumulated		Net Book				Accumulated		Net Book
	Life (Years)	Cost		Amortization		Value		Cost		Amortization		Value
Customer relationships	17.2	$	55,454		(32,141)	$	23,313	$	55,454	$	(28,865)	$	26,589
Technology and software	8		7,101		(5,881)		1,220		7,101		(4,952)		2,149
Trademarks	8.7		3,330		(1,656)		1,674		3,330		(1,266)		2,064
Intangible assets subject to amortization		$	65,885	$	(39,678)	$	26,207	$	65,885	$	(35,083)	$	30,802

The estimated future aggregate amortization expense for the identified amortizable intangibles noted above as of December 31, 2020 is as follows:


2021	$	4,352
2022		3,867
2023		3,867
2024		3,630
2025		3,440
Thereafter		7,051
	$	26,207