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

9 Months Ended

Sep. 30, 2013

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 September 30, 2013, and December 31, 2012, are presented in the table below, in thousands:

	September 30, 2013						December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	11,668	$	9,887	$	1,781	$	11,668	$	9,327	$	2,341
Mortgage servicing rights	31,095		9,899		21,196		22,892		7,239		15,653
Customer relationship intangible	1,177		719		458		1,177		685		492
Total	$	43,940	$	20,505	$	23,435	$	35,737	$	17,251	$	18,486

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
Three months ending December 31, 2013	$	181	$	1,575	$	11	$	1,767
Year ending December 31,
2014	468		6,540		43		7,051
2015	267		5,232		42		5,541
2016	238		3,924		41		4,203
2017	212		2,616		40		2,868
2018	187		1,309		39		1,535
Thereafter	228		—		242		470

Schedule of Servicing Assets at Fair Value

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

	2013			2012
Balance at January 1	$	15,653		$	11,276
Originations	10,595			7,916
Amortization	(5,548		)	(4,727		)
Valuation adjustment	496			(674		)
Balance at September 30	$	21,196		$	13,791