Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Below is a summary of intangible assets, net:

(in thousands)	June 30, 2020			December 31, 2019
Definite-lived intangible assets:
Investment contracts and other	$	489,570		$	489,570
Accumulated amortization	(237,761		)	(222,695		)
Definite-lived intangible assets, net	251,809			266,875
Indefinite-lived intangible assets	43,516			43,516
Total intangible assets, net	$	295,325		$	310,391

Schedule of Activity in Intangible Assets, Net

Activity in intangible assets, net was as follows: 

	Six Months Ended June 30,
(in thousands)	2020			2019
Intangible assets, net
Balance, beginning of period	$	310,391		$	338,812
Additions	—			1,696
Amortization	(15,066		)	(15,124		)
Balance, end of period	$	295,325		$	325,384

Schedule of Estimated Amortization Expense of Intangible Assets Succeeding Years

Definite-lived intangible asset amortization for the remainder of fiscal year 2020 and succeeding fiscal years is estimated as follows:

Fiscal Year	Amount (in thousands)
Remainder of 2020	$	15,061
2021	30,116
2022	29,992
2023	29,330
2024	23,689
2025 and thereafter	123,621
	$	251,809