Business Combinations, Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Business Combination And Goodwill And Intangible Asset Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the periods ended December 31, 2012, 2011, and 2010 were classified as follows:

	2012		2011		2010
Beginning of Year	$	18,865	$	9,835	$	9,655
Acquired Goodwill		—		9,030		180
Impairment		—		—		—
End of Year	$	18,865	$	18,865	$	9,835

Acquired Intangible Assets

Acquired intangible assets were as follows as of year end:

	2012
	Gross		Accumulated
	Amount		Amortization
Core Banking
Core Deposit Intangible	$	6,952	$	4,665
Unidentified Branch Acquisition Intangible		257		257
Insurance
Customer List		5,199		4,794
Total	$	12,408	$	9,716

Acquired intangible assets were as follows as of year end:

	2011
	Gross		Accumulated
	Amount		Amortization
Core Banking
Core Deposit Intangible	$	6,952	$	3,346
Unidentified Branch Acquisition Intangible		257		257
Insurance
Customer List		5,199		4,459
Total	$	12,408	$	8,062

Estimated Amortization Expense

Estimated amortization expense for each of the next five years is as follows:

2013	$	1,284
2014		774
2015		379
2016		152
2017		52