Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets

v3.20.1
Intangible Assets
 3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible Assets Subject to Amortization
March 31, 2020 December 31, 2019
Gross Net Gross Net
carrying Accumulated carrying carrying Accumulated carrying
amount amortization amount amount amortization amount
amounts in thousands
Customer relationships $ 408,267    (103,679)   304,588    408,267    (95,167)   313,100   
Other amortizable intangibles 141,404    (66,107)   75,297    139,721    (60,842)   78,879   
Total $ 549,671    (169,786)   379,885    547,988    (156,009)   391,979   

Amortization expense for intangible assets with finite useful lives was $14.0 million and $16.3 million for the three months ended March 31, 2020 and 2019, respectively. Amortization expense for amortizable intangible assets for each of the five succeeding fiscal years is estimated to be (amounts in thousands):
Remainder of 2020 $ 40,072   
2021 $ 44,198   
2022 $ 38,279   
2023 $ 34,334   
2024 $ 30,595