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

3 Months Ended

Mar. 31, 2015

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, 2015, and December 31, 2014, are presented in the table below, in thousands:

	March 31, 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	$	27,109	$	13,145	$	13,964	$	21,069	$	12,525	$	8,544
Mortgage servicing rights	38,893		13,398		25,495		37,825		12,841		24,984
Customer relationship intangible	1,177		784		393		1,177		773		404
Commercial servicing rights	4,387		215		4,172		—		—		—
Total	$	71,566	$	27,542	$	44,024	$	60,071	$	26,139	$	33,932

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		Commercial Servicing Rights		Total
Nine months ending December 31, 2015	$	2,078	$	6,480	$	32	$	641	$	9,231
Year ending December 31,
2016	2,467		4,754		41		828		8,090
2017	2,180		4,075		40		776		7,071
2018	1,925		3,396		39		672		6,032
2019	1,667		2,716		38		519		4,940
2020	1,423		2,037		37		318		3,815
Thereafter	2,224		2,037		166		418		4,845

Schedule of Servicing Assets at Fair Value

The following table summarizes, in thousands, the changes in capitalized commercial servicing rights for the three month period ended March 31, 2015 and 2014:

	2015			2014
Balance at January 1	$	—		$	—
Acquired	4,255			—
Originations	132			—
Amortization	(215		)	—
Balance at March 31	$	4,172		$	—

The following table summarizes, in thousands, the changes in capitalized mortgage servicing rights for the three month period ended March 31, 2015 and 2014:

	2015			2014
Balance at January 1	$	24,984		$	21,788
Originations	2,686			1,435
Amortization	(2,175		)	(1,079		)
Balance at March 31	$	25,495		$	22,144
Fair value of mortgage servicing rights	$	34,492		$	32,032
Mortgage servicing rights, net to servicing portfolio	0.71		%	0.71		%