Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Net carrying value of other intangible assets

The following table shows the net carrying value of the Corporation's other intangible assets:

	December 31,
	2012		2011
	(In thousands)
Other intangible assets:
Core deposit intangible assets	$	11,910	$	7,879
Mortgage servicing rights (MSRs)	3,478		3,593
Total other intangible assets	$	15,388	$	11,472

Carrying amount, accumulated amortization and amortization expense of core deposit intangible assets

The following table sets forth the carrying amount, accumulated amortization and amortization expense of core deposit intangible assets that are amortizable and arose from business combinations or other acquisitions:

	December 31,
	2012		2011
	(In thousands)
Gross original amount	$	18,659	$	26,468
Accumulated amortization	6,749		18,589
Carrying amount	$	11,910	$	7,879
Amortization expense for the year ended December 31	$	1,569	$	1,527

Net carrying value and fair value of MSRs and total loans that Corporation is servicing for others

The following shows the net carrying value and fair value of MSRs and the total loans that the Corporation is servicing for others:

	December 31,
	2012		2011
	(In thousands)
Net carrying value of MSRs	$	3,478	$	3,593
Fair value of MSRs	$	4,716	$	4,757
Loans serviced for others that have servicing rights capitalized	$	906,314	$	902,812

Activity for capitalized MSRs

The following shows activity for capitalized MSRs for the last three years:

	Years Ended December 31,
	2012			2011			2010
	(In thousands)
Balance at beginning of year	$	3,593		$	3,782		$	3,077
Acquired in OAK acquisition	—			—			691
Additions	2,285			1,566			1,918
Amortization	(2,400		)	(1,755		)	(1,904		)
Balance at end of year	$	3,478		$	3,593		$	3,782