Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Intangible assets, net are summarized as follows:

	March 31, 2015			December 31, 2014
($ in thousands)
Definite-lived intangible assets:
Investment contracts	$	158,747		$	158,747
Accumulated amortization		(150,217	)		(149,380	)
Definite-lived intangible assets, net		8,530			9,367
Indefinite-lived intangible assets		32,416			32,416
Total intangible assets, net	$	40,946		$	41,783

Schedule of Activity in Intangible Assets, Net

Activity in intangible assets, net is as follows:

	Three Months Ended March 31,
	2015			2014
($ in thousands)
Intangible assets, net
Balance, beginning of period	$	41,783		$	44,633
Amortization		(837	)		(1,105	)
Balance, end of period	$	40,946		$	43,528