Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

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, 2017 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2016	$	138,476	$	15,434	$	18,649	$	172,559
Addition to goodwill from acquisitions	—		—		—		—
Balance at June 30, 2017	$	138,476	$	15,434	$	18,649	$	172,559

Components of Intangible Assets

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

	At June 30, 2017						At December 31, 2016
(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:
Covenants not to compete	$	710	$	409	$	301	$	710	$	205	$	505
Core deposit intangibles	6,788		1,593		5,195		6,788		1,004		5,784
Customer related intangibles	12,381		9,190		3,191		12,381		8,504		3,877
Servicing rights	15,099		8,551		6,548		14,369		7,884		6,485
Total amortized intangible assets	$	34,978	$	19,743	$	15,235	$	34,248	$	17,597	$	16,651

Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for covenants not to compete and core deposit and customer related intangibles for the remainder of 2017 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2017		$	1,350
2018		2,114
2019		1,565
2020		1,200
2021		924
Thereafter		1,534

The estimated amortization expense of servicing rights for the remainder of 2017 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2017		$	955
2018		833
2019		722
2020		624
2021		538
Thereafter		2,876

Changes in Mortgage Servicing Rights

Changes in the servicing rights balance are summarized as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(Dollars in thousands)	2017			2016			2017			2016
Beginning of period	$	6,502		$	5,839		$	6,485		$	5,877
Servicing rights capitalized	387			466			730			777
Amortization of servicing rights	(341		)	(409		)	(667		)	(758		)
Changes in valuation allowance	—			—			—			—
End of period	$	6,548		$	5,896		$	6,548		$	5,896
Residential mortgage and SBA loans serviced for others	$	984,846		$	889,639		$	984,846		$	889,639