Software and Other Intangible Assets

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

The carrying amount and accumulated amortization of the Company's software assets subject to amortization at each balance sheet date are as follows (in thousands):


	June 30, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Software for internal use	$	445,098	$	(297,965)	$	147,133	$	440,242	$	(283,109)	$	157,133
Software for resale	124,401		(124,401)		—		127,904		(127,255)		649
Total software	$	569,499	$	(422,366)	$	147,133	$	568,146	$	(410,364)	$	157,782

Amortization of software for internal use is computed using the straight-line method over an estimated useful life of generally three to eight years. Software for internal use amortization expense recorded during the three months ended June 30, 2022 and 2021, totaled $17.1 million and $17.4 million, respectively. Software for internal use amortization expense recorded during the six months ended June 30, 2022 and 2021, totaled $33.8 million and $34.3 million, respectively. These software amortization expense amounts are reflected in depreciation and amortization in the condensed consolidated statements of operations.

Amortization of software for resale is computed using the greater of (a) the ratio of current gross revenues to the total of current and future gross revenues expected to be derived from the software or (b) the straight-line method over the remaining estimated useful life of generally five to ten years. Software for resale amortization expense recorded during the three months ended June 30, 2021 totaled $1.4 million. There was no software for resale amortization expense recorded during the three months ended June 30, 2022. Software for resale amortization expense recorded during the six months ended June 30, 2022 and 2021, totaled $0.7 million and $3.4 million, respectively. These software amortization expense amounts are reflected in cost of revenue in the condensed consolidated statements of operations.

The carrying amount and accumulated amortization of the Company’s other intangible assets subject to amortization at each balance sheet date are as follows (in thousands):


	June 30, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Balance		Gross Carrying Amount		Accumulated Amortization		Net Balance
Customer relationships	$	500,290	$	(242,608)	$	257,682	$	507,962	$	(230,152)	$	277,810
Trademarks and trade names	23,323		(19,223)		4,100		23,839		(18,645)		5,194
Total other intangible assets	$	523,613	$	(261,831)	$	261,782	$	531,801	$	(248,797)	$	283,004

Other intangible assets amortization expense recorded during the three months ended June 30, 2022 and 2021, totaled $9.1 million and $9.2 million, respectively. Other intangible assets amortization expense recorded during the six months ended June 30, 2022 and 2021, totaled $18.3 million and $18.5 million, respectively.

Based on capitalized intangible assets as of June 30, 2022, estimated amortization expense amounts in future fiscal years are as follows (in thousands):


Fiscal Year Ending December 31,	Software Amortization		Other Intangible Assets Amortization
Remainder of 2022	$	33,222	$	17,974
2023	50,446		35,767
2024	33,058		31,371
2025	22,384		22,983
2026	7,966		22,983
Thereafter	57		130,704
Total	$	147,133	$	261,782