Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Intangible assets, net are summarized as follows:

	December 31,
	2014			2013
($ in thousands)
Definite-lived intangible assets, net:
Investment contracts	$	158,747		$	157,882
Accumulated amortization		(149,380	)		(145,665	)
Definite-lived intangible assets, net		9,367			12,217
Indefinite-lived intangible assets		32,416			32,416
Total intangible assets, net	$	41,783		$	44,633

Schedule of Activity in Goodwill and Intangible Assets, Net

Activity in goodwill and intangible assets, net is as follows:

	Years Ended December 31,
	2014			2013			2012
($ in thousands)
Intangible assets, net
Balance, beginning of period	$	44,633		$	48,711		$	52,096
Acquisition		1,075			356			560
Amortization expense		(3,925	)		(4,434	)		(3,945	)
Balance, end of period	$	41,783		$	44,633		$	48,711
Goodwill
Balance, beginning of period	$	5,260		$	5,260		$	4,795
Acquisition		—			—			465
Balance, end of period	$	5,260		$	5,260		$	5,260