Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of the Corporation's goodwill by business segment for the six months ended June 30, 2016 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2015	$	78,574	$	15,434	$	18,649	$	112,657
Addition to goodwill from acquisitions	—		—		—		—
Balance at June 30, 2016	$	78,574	$	15,434	$	18,649	$	112,657

Components of Intangible Assets

The following table reflects the components of intangible assets at the dates indicated:

	At June 30, 2016						At December 31, 2015
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization and Fair Value Adjustments		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization and Fair Value Adjustments		Net Carrying Amount
Amortized intangible assets:
Core deposit intangibles	$	1,520	$	401	$	1,119	$	1,520	$	276	$	1,244
Customer related intangibles	12,381		7,719		4,662		14,227		8,728		5,499
Mortgage servicing rights	13,010		7,114		5,896		12,233		6,356		5,877
Total amortized intangible assets	$	26,911	$	15,234	$	11,677	$	27,980	$	15,360	$	12,620

Estimated Aggregate Amortization Expense

The estimated amortization expense of mortgage servicing rights for the remainder of 2016 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2016		$	559
2017		1,024
2018		846
2019		690
2020		560
Thereafter		2,217

The estimated aggregate amortization expense for core deposit and customer related intangibles for the remainder of 2016 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2016		$	909
2017		1,544
2018		1,170
2019		847
2020		577
Thereafter		734

Changes in Mortgage Servicing Rights

Changes in the mortgage servicing rights balance are summarized as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2016			2015			2016			2015
Beginning of period	$	5,839		$	5,523		$	5,877		$	5,509
Servicing rights capitalized	466			499			777			881
Amortization of servicing rights	(409		)	(326		)	(758		)	(694		)
Changes in valuation allowance	—			—			—			—
End of period	$	5,896		$	5,696		$	5,896		$	5,696
Mortgage loans serviced for others	$	889,639		$	832,318		$	889,639		$	832,318