Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Intangible Assets

Intangible assets are summarized as follows:

	December 31,
	2012			2011
($ in thousands)
Definite-lived intangible assets:
Investment contracts	$	197,704		$	269,489
Accumulated amortization		(181,409	)		(249,809	)
Definite-lived intangible assets, net		16,295			19,680
Indefinite-lived intangible assets		32,416			32,416
Total intangible assets, net	$	48,711		$	52,096

Schedule of Activity in Goodwill and Other Intangible Assets

Activity in goodwill and other intangible assets is as follows:

	Years Ended December 31,
	2012			2011			2010
($ in thousands)
Intangible assets
Balance, beginning of period	$	52,096		$	52,977		$	54,844
Purchases		560			3,068			3,055
Amortization		(3,945	)		(3,949	)		(4,922	)
Balance, end of period	$	48,711		$	52,096		$	52,977
Goodwill
Balance, beginning of period	$	4,795		$	4,795		$	4,795
Acquisition		465			—			—
Balance, end of period	$	5,260		$	4,795		$	4,795