Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2014	$	35,058	$	15,434	$	17,225	$	67,717
Addition to goodwill from acquisitions	43,377		—		1,424		44,801
Balance at June 30, 2015	$	78,435	$	15,434	$	18,649	$	112,518

Components of Intangible Assets

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

	At June 30, 2015						At December 31, 2014
(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	$	138	$	1,382	$	—	$	—	$	—
Customer related intangibles	14,227		7,758		6,469		13,397		6,726		6,671
Mortgage servicing rights	11,440		5,744		5,696		10,559		5,050		5,509
Total amortized intangible assets	$	27,187	$	13,640	$	13,547	$	23,956	$	11,776	$	12,180

Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for core deposit and customer related intangibles for the remainder of 2015 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2015		$	1,108
2016		1,872
2017		1,544
2018		1,170
2019		846
Thereafter		1,311

The estimated amortization expense of mortgage servicing rights for the remainder of 2015 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2015		$	430
2016		804
2017		695
2018		597
2019		511
Thereafter		2,659

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)	2015			2014			2015			2014
Beginning of period	$	5,523		$	5,406		$	5,509		$	5,519
Servicing rights capitalized	499			236			881			359
Amortization of servicing rights	(326		)	(264		)	(694		)	(507		)
Changes in valuation allowance	—			—			—			7
End of period	$	5,696		$	5,378		$	5,696		$	5,378
Mortgage loans serviced for others	$	832,318		$	761,413		$	832,318		$	761,413

Activity in Valuation Allowance for Mortgage Servicing Rights

Activity in the valuation allowance for mortgage servicing rights was as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
(Dollars in thousands)	2015		2014			2015		2014
Valuation allowance, beginning of period	$	—	$	(243	)	$	—	$	(250	)
Additions	—		—			—		—
Reductions	—		—			—		7
Direct write-downs	—		—			—		—
Valuation allowance, end of period	$	—	$	(243	)	$	—	$	(243	)