Intangible Assets

9 Months Ended

Sep. 30, 2019

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible assets consist of the following:


	Weighted average remaining useful life as of September 30, 2019 (months)
						As of	As of
				September 30, 2019		December 31, 2018
Amortizable intangible assets, net:
Customer relationships (net of accumulated amortization of $53,926 and $33,968, respectively)	80	$	78,527		98,484
Trade names (net of accumulated amortization of $8,367 and $5,825, respectively)	92	8,326			10,868
Computer software (net of accumulated amortization of $2,741 and $15,420, respectively)	17	2,646			4,938
Total - amortizable intangible assets, net	80	$	89,499		114,290

The Company recorded amortization expense on its intangible assets of $8.0 million and $7.9 million during the three months ended September 30, 2019 and 2018, respectively, and $24.8 million and $21.9 million during the nine months ended September 30, 2019 and 2018, respectively. The Company will continue to amortize intangible assets over their remaining useful lives. As of September 30, 2019, the Company estimates it will record amortization expense as follows:


2019 (October 1 - December 31)	$	7,967
2020	29,515
2021	18,761
2022	7,172
2023	6,925
2024 and thereafter	19,159
	$	89,499