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

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets

The gross carrying amount of other intangible assets and the associated accumulated amortization at September 30, 2015, and December 31, 2014, are presented in the table below, in thousands:

	September 30, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	29,138	$	14,572	$	14,566	$	21,069	$	12,525	$	8,544
Mortgage servicing rights	44,166		14,566		29,600		37,825		12,841		24,984
Customer relationship intangible	1,177		805		372		1,177		773		404
Commercial servicing rights	4,959		802		4,157		—		—		—
Total	$	79,440	$	30,745	$	48,695	$	60,071	$	26,139	$	33,932

Schedule of Estimated Future Amortization Expense of Amortizable Intangible Assets

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

	Core Deposit Intangibles		Mortgage Servicing Rights		Customer Relationship Intangible		Commercial Servicing Rights		Total
Three months ending December 31, 2015	$	755	$	2,087	$	11	$	221	$	3,074
Year ending December 31,
2016	2,772		6,878		41		866		10,557
2017	2,452		5,896		40		820		9,208
2018	2,169		4,913		39		731		7,852
2019	1,886		3,930		38		563		6,417
2020	1,619		2,948		37		364		4,968
Thereafter	2,913		2,948		166		592		6,619
Total	$	14,566	$	29,600	$	372	$	4,157	$	48,695

Summary of Changes in Servicing Rights

The following table summarizes, in thousands, the changes in capitalized commercial servicing rights for the nine months ended September 30, 2015, and September 30, 2014:

	2015			2014
Balance at January 1	$	—		$	—
Purchased commercial servicing rights	4,255			—
Originations	704			—
Amortization	(802		)	—
Balance at September 30	$	4,157		$	—
Fair value of commercial servicing rights	$	4,412		$	—
Commercial servicing rights, net to servicing portfolio	2.33		%	—		%

The following table summarizes, in thousands, the changes in capitalized mortgage servicing rights for the nine months ended September 30, 2015, and September 30, 2014:

	2015			2014
Balance at January 1	$	24,984		$	21,788
Originations	11,062			5,955
Amortization	(6,446		)	(3,778		)
Balance at September 30	$	29,600		$	23,965
Fair value of mortgage servicing rights	$	40,166		$	33,260
Mortgage servicing rights, net to servicing portfolio	0.75		%	0.71		%