Software and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

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):

	March 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships	$	298,459	$	(136,628	)	$	161,831	$	297,991	$	(131,187	)	$	166,804
Trademarks and tradenames		16,346		(15,332	)		1,014		16,348		(15,025	)		1,323
	$	314,805	$	(151,960	)	$	162,845	$	314,339	$	(146,212	)	$	168,127

Estimated Intangible Asset Amortization Expense in Future Fiscal Years

Based on capitalized intangible assets as of March

2019

, 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 2019	$	37,383	$	16,340
2020		40,353		20,992
2021		27,637		20,506
2022		13,167		20,359
2023		6,633		20,053
Thereafter		5,639		64,595
Total	$	130,812	$	162,845