Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2018	$	138,476	$	15,434	$	18,649	$	172,559
Addition to goodwill from acquisitions	—		—		—		—
Balance at June 30, 2019	$	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, 2019						At December 31, 2018
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized intangible assets:
Covenants not to compete	$	—	$	—	$	—	$	710	$	710	$	—
Core deposit intangibles	6,788		3,609		3,179		6,788		3,143		3,645
Customer related intangibles	8,819		7,602		1,217		12,381		10,804		1,577
Servicing rights	17,960		11,361		6,599		17,314		10,546		6,768
Total amortized intangible assets	$	33,567	$	22,572	$	10,995	$	37,193	$	25,203	$	11,990

Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for core deposit and customer-related intangibles for the remainder of 2019 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2019		$	739
2020		1,200
2021		923
2022		666
2023		409
Thereafter		459

The estimated amortization expense of servicing rights for the remainder of 2019 and the succeeding fiscal years is as follows:

Year	(Dollars in thousands)	Amount
Remainder of 2019		$	1,174
2020		993
2021		822
2022		678
2023		535
Thereafter		2,397

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)	2019			2018			2019			2018
Beginning of period	$	6,725		$	6,605		$	6,768		$	6,573
Servicing rights capitalized	321			350			587			687
Amortization of servicing rights	(426		)	(305		)	(735		)	(610		)
Changes in valuation allowance	(21		)	—			(21		)	—
End of period	$	6,599		$	6,650		$	6,599		$	6,650
Residential mortgage and SBA loans serviced for others	$	1,042,438		$	1,019,233		$	1,042,438		$	1,019,233

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)	2019			2018		2019			2018
Valuation allowance, beginning of period	$	—		$	—	$	—		$	—
Additions	(21		)	—		(21		)	—
Valuation allowance, end of period	$	(21	)	$	—	$	(21	)	$	—