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

3 Months Ended

Mar. 31, 2014

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 March 31, 2014, and December 31, 2013, are presented in the table below, in thousands:

	March 31, 2014						December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	21,069	$	10,959	$	10,110	$	21,069	$	10,345	$	10,724
Mortgage servicing rights	33,134		10,990		22,144		32,160		10,372		21,788
Customer relationship intangible	1,177		741		436		1,177		730		447
Total	$	55,380	$	22,690	$	32,690	$	54,406	$	21,447	$	32,959

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
Nine months ending December 31, 2014	$	1,566	$	3,237	$	32	$	4,835
Year ending December 31,
2015	1,780		4,727		42		6,549
2016	1,575		4,052		41		5,668
2017	1,393		3,376		40		4,809
2018	1,232		2,701		39		3,972
2019	1,056		2,026		38		3,120
Thereafter	1,508		2,025		204		3,737

Schedule of Servicing Assets at Fair Value

The following table summarizes, in thousands, the changes in capitalized mortgage servicing rights for the three month period ended March 31, 2014 and 2013:

	2014			2013
Balance at January 1	$	21,788		$	15,653
Originations	1,435			3,245
Amortization	(1,079		)	(1,761		)
Valuation adjustment	—			496
Balance at March 31	$	22,144		$	17,633
Fair value of mortgage servicing rights	$	32,032		$	19,389
Mortgage servicing rights, net to servicing portfolio	0.71		%	0.58		%