Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

The following table sets forth activity for goodwill and other intangible assets for the period:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(in thousands)
Goodwill
Goodwill at beginning of period (1)	$	345,231		$	115,554		$	115,554		$	115,554
Established through acquisitions	—			—			229,677			—
Goodwill at end of period	345,231			115,554			345,231			115,554
Other intangible assets, net
Core deposit intangible:
Gross core deposit intangible balance at beginning of period	47,698			32,441			32,441			32,441
Accumulated amortization at beginning of period	(19,441		)	(14,545		)	(16,720		)	(12,275		)
Core deposit intangible, net at beginning of period	28,257			17,896			15,721			20,166
Established through acquisitions	—			—			15,257			—
CDI current period amortization	(1,667		)	(1,093		)	(4,388		)	(3,363		)
Total core deposit intangible, net at end of period	26,590			16,803			26,590			16,803
Intangible assets not subject to amortization	919			—			919			—
Other intangible assets, net at end of period	27,509			16,803			27,509			16,803
Total goodwill and other intangible assets at end of period	$	372,740		$	132,357		$	372,740		$	132,357

Estimated Future Amortization Expense of Core Deposit Intangibles

______________

(1) Goodwill at beginning of period has been retrospectively adjusted for the three months ended September 30, 2013 due to adjustments to provisional amounts made related to the West Coast acquisition. See Note 3 to the Consolidated Financial Statements of this report for more information regarding this acquisition.

The following table provides the estimated future amortization expense of core deposit intangibles for the remaining three months ending December 31, 2013 and the succeeding four years:

	Amount
	(in thousands)
Year ending December 31,
2013	$	1,657
2014	5,963
2015	4,934
2016	4,195
2017	3,361