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

6 Months Ended

Jun. 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 June 30, 2013, and December 31, 2012, are presented in the table below, in thousands:

	June 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	$	9,702	$	1,966	$	11,668	$	9,327	$	2,341
Mortgage servicing rights	27,709		8,088		19,621		22,892		7,239		15,653
Customer relationship intangible	1,177		708		469		1,177		685		492
Total	$	40,554	$	18,498	$	22,056	$	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
Six months ending December 31, 2013	$	366	$	3,951	$	22	$	4,339
Year ending December 31,
2014	468		5,223		43		5,734
2015	267		4,179		42		4,488
2016	238		3,134		41		3,413
2017	212		2,089		40		2,341
2018	187		1,045		39		1,271
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	7,209			4,600
Amortization	(3,737		)	(2,831		)
Valuation adjustment	496			(181		)
Balance at June 30	$	19,621		$	12,864