Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Intangible assets, net are summarized as follows:

	June 30, 2015			December 31, 2014
($ in thousands)
Definite-lived intangible assets:
Investment contracts	$	158,747		$	158,747
Accumulated amortization		(151,054	)		(149,380	)
Definite-lived intangible assets, net		7,693			9,367
Indefinite-lived intangible assets		34,816			32,416
Total intangible assets, net	$	42,509		$	41,783

Schedule of Activity in Intangible Assets, Net

Activity in intangible assets, net is as follows:

	Six Months Ended June 30,
	2015			2014
($ in thousands)
Intangible assets, net
Balance, beginning of period	$	41,783		$	44,633
Additions		2,400			—
Amortization		(1,674	)		(2,051	)
Balance, end of period	$	42,509		$	42,582