Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 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 nine months ended September 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 September 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 September 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		3,818		2,970		6,788		3,143		3,645
Customer related intangibles	8,819		7,763		1,056		12,381		10,804		1,577
Servicing rights	18,424		11,928		6,496		17,314		10,546		6,768
Total amortized intangible assets	$	34,031	$	23,509	$	10,522	$	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		$	368
2020		1,200
2021		923
2022		666
2023		409
Thereafter		460

Changes In Servicing Rights

Changes in the servicing rights balance are summarized as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in thousands)	2019		2018		2019		2018
Beginning of period	$	6,599	$	6,650	$	6,768	$	6,573
Servicing rights capitalized	464		406		1,051		1,093
Amortization of servicing rights	(585)		(341)		(1,320)		(951)
Changes in valuation allowance	18		—		(3)		—
End of period	$	6,496	$	6,715	$	6,496	$	6,715
Loans serviced for others	$	1,055,823	$	1,024,229	$	1,055,823	$	1,024,229

Activity In Valuation Allowance For Mortgage Servicing Rights

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

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in thousands)	2019		2018		2019		2018
Valuation allowance, beginning of period	$	(21)	$	—	$	—	$	—
Additions	—		—		(3)		—
Reductions	18		—		—		—
Valuation allowance, end of period	$	(3)	$	—	$	(3)	$	—

Estimated Amortization Expense of Servicing Rights

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		$	1,208
2020		1,019
2021		833
2022		678
2023		549
Thereafter		2,209