Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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 three months ended March 31, 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 March 31, 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 March 31, 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		3,376		3,412		6,788		3,143		3,645
Customer related intangibles	8,819		7,426		1,393		12,381		10,804		1,577
Servicing rights	17,639		10,914		6,725		17,314		10,546		6,768
Total amortized intangible assets	$	33,246	$	21,716	$	11,530	$	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		$	1,148
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		$	1,017
2020		883
2021		759
2022		650
2023		555
Thereafter		2,861

Changes in Mortgage Servicing Rights

Changes in the servicing rights balance are summarized as follows:

	Three Months Ended March 31,
(Dollars in thousands)	2019			2018
Beginning of period	$	6,768		$	6,573
Servicing rights capitalized	266			337
Amortization of servicing rights	(309		)	(305		)
End of period	$	6,725		$	6,605
Residential mortgage and SBA loans serviced for others	$	1,037,948		$	1,012,677