Software and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Carrying Amount and Accumulated Amortization of Other Intangible Assets

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):



	September 30, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships	$	502,682	$	(149,946	)	$	352,736	$	297,991	$	(131,187	)	$	166,804
Trademarks and tradenames	27,052		(16,442		)	10,610		16,348		(15,025		)	1,323
Total other intangible assets	$	529,734	$	(166,388	)	$	363,346	$	314,339	$	(146,212	)	$	168,127

Schedule of Estimated Intangible Asset Amortization Expense in Future Fiscal Years

Based on capitalized intangible assets as of September 30, 2019, estimated amortization expense amounts in future fiscal years are as follows (in thousands):



Fiscal Year Ending December 31,	Software		Other Intangible Assets
Remainder of 2019	$	17,416	$	9,304
2020	64,756		36,783
2021	51,549		36,308
2022	33,878		36,166
2023	23,374		35,876
Thereafter	44,963		208,909
Total	$	235,936	$	363,346