XML 44 R18.htm IDEA: XBRL DOCUMENT v3.20.4
Intangible Assets, net
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, net

10. Intangible Assets, net

Intangible assets include customer relationships and contracts associated with various business and asset acquisitions. These acquired intangible assets were recorded at fair value determined as of the acquisition date and are being amortized over the period we expect to benefit from the assets. Intangible assets, net consisted of the following (in thousands):

December 31, 2020

December 31, 2019

Gross

Gross

Carrying

Accumulated

Carrying

Accumulated

    

Amount

    

Amortization

    

Amount

    

Amortization

Customer-related (10-25 year life)

$

147,169

$

(86,512)

$

147,244

$

(76,176)

Contract-based (5-7 year life)

 

37,730

 

(36,856)

 

37,773

 

(31,370)

Intangible assets

$

184,899

$

(123,368)

$

185,017

$

(107,546)

Amortization expense of these intangible assets totaled $15.6 million, $15.3 million and $16.5 million during the years ended December 31, 2020, 2019 and 2018, respectively.

Estimated future intangible assets amortization expense as of December 31, 2020 was as follows (in thousands):

2021

    

$

11,372

2022

 

9,171

2023

 

7,318

2024

 

6,158

2025

 

3,947

Thereafter

 

23,565

Total

$

61,531