Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Intangible assets, net are summarized as follows: 

	June 30, 2019			December 31, 2018
($ in thousands)
Definite-lived intangible assets:
Investment contracts and other	$	489,443		$	487,747
Accumulated amortization	(207,575		)	(192,451		)
Definite-lived intangible assets, net	281,868			295,296
Indefinite-lived intangible assets	43,516			43,516
Total intangible assets, net	$	325,384		$	338,812

Schedule of Activity in Intangible Assets, Net

Activity in intangible assets, net is as follows: 

	Six Months Ended June 30,
	2019			2018
($ in thousands)
Intangible assets, net
Balance, beginning of period	$	338,812		$	301,954
Additions	1,696			—
Amortization	(15,124		)	(10,060		)
Balance, end of period	$	325,384		$	291,894

Schedule of Estimated Amortization Expense of Intangible Assets Succeeding Years

Estimated amortization expense of intangible assets for the remainder of fiscal year 2019 and succeeding fiscal years is as follows:

Fiscal Year	Amount ($ in thousands)
Remainder of 2019	$	15,113
2020	30,114
2021	30,103
2022	29,979
2023	29,317
2024 and thereafter	147,242
	$	281,868