Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 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 years ended December 31, 2019 and 2018 were as follows:

(Dollars in thousands)	Banking		Wealth Management		Insurance		Consolidated
Balance at December 31, 2017	$	138,476	$	15,434	$	18,649	$	172,559
Addition to goodwill from acquisitions	—		—		—		—
Balance at December 31, 2018	138,476		15,434		18,649		172,559
Addition to goodwill from acquisitions	—		—		—		—
Balance at December 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 December 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		4,026		2,762		6,788		3,143		3,645
Customer related intangibles	8,819		7,923		896		12,381		10,804		1,577
Servicing rights	19,160		12,534		6,626		17,314		10,546		6,768
Total amortized intangible assets	$	34,767	$	24,483	$	10,284	$	37,193	$	25,203	$	11,990

Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for core deposit and customer-related intangibles for each of the five succeeding fiscal years and thereafter follows:

Year	(Dollars in thousands)	Amount
2020		$	1,200
2021		923
2022		666
2023		409
2024		267
Thereafter		193

Changes in Servicing Rights

Changes in the servicing rights balance are summarized as follows:

	For the Years Ended December 31,
(Dollars in thousands)	2019		2018		2017
Beginning of period	$	6,768	$	6,573	$	6,485
Servicing rights capitalized	1,787		1,458		1,487
Amortization of servicing rights	(1,929)		(1,263)		(1,399)
End of period	$	6,626	$	6,768	$	6,573
Loans serviced for others	$	1,080,905	$	1,031,506	$	1,008,123

Estimated Amortization Expense of Servicing Rights

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

Year	(Dollars in thousands)	Amount
2020		$	1,173
2021		979
2022		814
2023		674
2024		557
Thereafter		2,429