Software and Other Intangible Assets (Tables)

6 Months Ended

Jun. 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):

	June 30, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships	$	506,831	$	(143,307	)	$	363,524	$	297,991	$	(131,187	)	$	166,804
Trademarks and tradenames	27,253		(15,869		)	11,384		16,348		(15,025		)	1,323
Total other intangible assets	$	534,084	$	(159,176	)	$	374,908	$	314,339	$	(146,212	)	$	168,127

Schedule of Estimated Intangible Asset Amortization Expense in Future Fiscal Years

Based on capitalized intangible assets as of June 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	$	35,197	$	18,830
2020	62,338		37,046
2021	49,336		36,555
2022	31,603		36,409
2023	23,123		36,107
Thereafter	44,717		209,961
Total	$	246,314	$	374,908