Goodwill, Core Deposit Intangibles and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

The gross carrying amount of other intangible assets and the associated accumulated amortization at December 31, 2012, and December 31, 2011, are presented in the table below, in thousands:

	December 31, 2012						December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	11,668	$	9,327	$	2,341	$	9,957	$	8,815	$	1,142
Mortgage servicing rights	22,892		7,239		15,653		16,779		5,503		11,276
Customer relationship intangible	1,177		685		492		1,177		635		542
Total	$	35,737	$	17,251	$	18,486	$	27,913	$	14,953	$	12,960

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table shows the estimated future amortization expense for amortizable intangible assets, in thousands:

	Core Deposit Intangibles		Mortgage Servicing Rights		Customer Relationship Intangible		Total
Year ending December 31,
2013	$	742	$	5,218	$	45	$	6,005
2014	468		4,174		43		4,685
2015	267		3,131		42		3,440
2016	238		2,087		41		2,366
2017	212		1,043		40		1,295
Thereafter	414		—		281		695

Schedule of Servicing Assets at Fair Value

The following table summarizes, in thousands, the changes in capitalized mortgage servicing rights:

	2012			2011
Balance at January 1	$	11,276		$	11,210
Originations	11,451			3,723
Amortization	(6,597		)	(3,638		)
Valuation adjustment	(477		)	(19		)
Balance at December 31	$	15,653		$	11,276