Intangible Assets, Net

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets, Net

Intangible Assets, Net

Below is a summary of intangible assets, net:

	Definite-Lived						Indefinite-Lived		Total
(in thousands)	Gross Book Value		Accumulated Amortization		Net Book Value		Net Book Value		Net Book Value
Balances of December 31, 2020	$	489,570	$	(252,822)	$	236,748	$	43,516	$	280,264
Additions	120,388		—		120,388		—		120,388
Intangible amortization	—		(30,219)		(30,219)		—		(30,219)
Balances of September 30, 2021	$	609,958	$	(283,041)	$	326,917	$	43,516	$	370,433

Definite-lived intangible asset amortization for the remainder of fiscal year 2021 and succeeding fiscal years is estimated as follows:

Fiscal Year	Amount (in thousands)
Remainder of 2021	10,391
2022	41,440
2023	40,778
2024	35,136
2025	30,368
2026 and thereafter	168,804
Total	$	326,917