Goodwill and Other Intangibles (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the periods ended March 31, 2013 and December 31, 2012 by operating segment are as follows (in thousands):

	Bank			Institutional Investment Management		Asset Servicing		Total
Balances as of January 1, 2012	$	144,109		$	47,529	$	19,476	$	211,114
Goodwill disposals during period		(1,356	)		—		—		(1,356	)
Balances as of December 31, 2012	$	142,753		$	47,529	$	19,476	$	209,758
Balances as of January 1, 2013	$	142,753		$	47,529	$	19,476	$	209,758
Balances as of March 31, 2013	$	142,753		$	47,529	$	19,476	$	209,758

Changes in Intangible Assets

Following are the intangible assets that continue to be subject to amortization as of March 31, 2013 and December 31, 2012 (in thousands):

	As of March 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposit intangible assets	$	36,497	$	30,782	$	5,715
Customer relationships		103,960		45,401		58,559
Other intangible assets		3,247		2,173		1,074
Total intangible assets	$	143,704	$	78,356	$	65,348
	As of December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposit intangible assets	$	36,497	$	30,403	$	6,094
Customer relationships		103,960		42,399		61,561
Other intangible assets		3,247		2,099		1,148
Total intangible assets	$	143,704	$	74,901	$	68,803

Aggregate Amortization Expense Recognized

Following is the aggregate amortization expense recognized in each period (in thousands):

	Three Months Ended March  31,
	2013		2012
Aggregate amortization expense	$	3,456	$	3,852

Estimated Amortization Expense of Intangible Assets

Estimated amortization expense of intangible assets on future years (in thousands):

For the nine months ending December 31, 2013	$	9,763
For the year ending December 31, 2014		12,146
For the year ending December 31, 2015		9,550
For the year ending December 31, 2016		8,342
For the year ending December 31, 2017		7,098