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Goodwill and Intangible Assets (Notes)
3 Months Ended
Mar. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets
In accordance with the Intangibles – Goodwill and Other topic of the FASB ASC, goodwill is not amortized but is reviewed for potential impairment at the reporting unit level. Management analyzes its goodwill for impairment during the third quarter on an annual basis and between annual tests in certain circumstances such as material adverse changes in legal, business, regulatory and economic factors. An impairment loss is recorded to the extent that the carrying amount of goodwill exceeds its implied fair value.
The core deposit intangible (“CDI”) is evaluated for impairment if events and circumstances indicate a possible impairment. The CDI is amortized on an accelerated basis over an estimated life of approximately 10 years.
The following table sets forth activity for goodwill and intangible assets for the period:
 
 
Three Months Ended March 31,
 
 
2012
 
2011
 
 
(in thousands)
Total goodwill
 
$
115,554

 
$
109,639

Core deposit intangible:
 
 
 
 
Gross core deposit intangible balance, beginning of period
 
32,441

 
26,651

Accumulated amortization, beginning of period
 
(12,275
)
 
(7,955
)
Core deposit intangible, net, beginning of period
 
20,166

 
18,696

CDI current period amortization
 
(1,150
)
 
(984
)
Total core deposit intangible, end of period
 
19,016

 
17,712

Total goodwill and intangible assets, end of period
 
$
134,570

 
$
127,351


The following table provides the estimated future amortization expense of core deposit intangibles for the remaining nine months ending December 31, 2012 and the succeeding four years:
 
 
Amount
 
 
(in thousands)
Year ending December 31,
 
 
2012
 
$
3,295

2013
 
3,964

2014
 
3,397

2015
 
2,645

2016
 
2,184