Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

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 years ended December 31, 2014 and 2013 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2012	$	35,058	$	8,625	$	12,555	$	56,238
Addition to goodwill from acquisitions	—		—		1,279		1,279
Balance at December 31, 2013	35,058		8,625		13,834		57,517
Addition to goodwill from acquisitions	—		6,809		3,391		10,200
Balance at December 31, 2014	$	35,058	$	15,434	$	17,225	$	67,717

Components of Intangible Assets

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

	At December 31, 2014						At December 31, 2013
(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:
Customer related intangibles	$	13,397	$	6,726	$	6,671	$	7,513	$	4,854	$	2,659
Mortgage servicing rights	10,559		5,050		5,509		10,965		5,446		5,519
Total amortized intangible assets	$	23,956	$	11,776	$	12,180	$	18,478	$	10,300	$	8,178

Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for customer related intangibles for each of the five succeeding fiscal years follows:

Year	(Dollars in thousands)	Amount
2015		$	1,730
2016		1,411
2017		1,162
2018		868
2019		622
Thereafter		878

The estimated amortization expense of mortgage servicing rights for each of the five succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
2015		$	923
2016		787
2017		662
2018		556
2019		466
Thereafter		2,115

Changes in Mortgage Servicing Rights

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

	For the Years Ended December 31,
(Dollars in thousands)	2014			2013			2012
Beginning of period	$	5,519		$	4,152		$	2,739
Servicing rights capitalized	1,118			2,485			2,727
Amortization of servicing rights	(1,378		)	(1,365		)	(1,610		)
Changes in valuation allowance	250			247			296
End of period	$	5,509		$	5,519		$	4,152
Mortgage loans serviced for others	$	796,835		$	751,891		$	604,801

Activity in Valuation Allowance for Mortgage Servicing Rights

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

	For the Years Ended December 31,
(Dollars in thousands)	2014			2013			2012
Valuation allowance, beginning of period	$	(250	)	$	(497	)	$	(793	)
Additions	—			—			—
Reductions	250			247			296
Direct write-downs	—			—			—
Valuation allowance, end of period	$	—		$	(250	)	$	(497	)