Intangible Assets, Goodwill and Other (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

The following table details changes in the recorded amount of goodwill:


(Dollars in thousands)	September 30, 2021		December 31, 2020
Goodwill, beginning of year	$	171,260	$	165,701
Goodwill recorded from acquisitions	95,755		5,559
Goodwill, end of period	$	267,015	$	171,260

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

Other intangible assets were comprised of the following at end of period, September 30, 2021 and end of year, December 31, 2020:


(Dollars in thousands)	Core Deposits		Customer Relationships		Total
September 30, 2021
Gross intangibles	$	25,805	$	25,096	$	50,901

Accumulated amortization	(17,813)		(8,256)		(26,069)
Total acquisition-related intangibles	$	7,992	$	16,840	$	24,832
Servicing rights					2,294
Indefinite-lived intangibles					1,274
Total other intangibles					$	28,400

December 31, 2020
Gross intangibles	$	22,233	$	12,495	$	34,728

Accumulated amortization	(17,298)		(6,579)		(23,877)
Total acquisition-related intangibles	$	4,935	$	5,916	$	10,851
Servicing rights					2,486

Total other intangibles					$	13,337

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table details estimated aggregate future amortization of other intangible assets at September 30, 2021:


(Dollars in thousands)	Core Deposits		Customer Relationships		Total
2021	$	574	$	934	$	1,508
2022	1,620		4,014		5,634
2023	1,257		3,712		4,969
2024	1,058		2,733		3,791
2025	891		1,941		2,832
Thereafter	2,592		3,506		6,098
Total	$	7,992	$	16,840	$	24,832

Mortgage Servicing Rights Activity

The following is an analysis of activity of servicing rights for the periods ended September 30,2021 and December 31, 2020:


(Dollars in thousands)	September 30, 2021		December 31, 2020
Balance, beginning of year	$	2,486	$	2,742
Amortization	(591)		(1,121)
Servicing rights originated	415		1,026

Valuation allowance	(16)		(161)
Balance, end of period	$	2,294	$	2,486

Discount Rates and Prepayment Speeds Servicing Rights

The following is the breakdown of the discount rates and prepayment speeds of servicing rights for the periods ended September 30,2021 and December 31, 2020:


	September 30, 2021				December 31, 2020
	Minimum		Maximum		Minimum		Maximum
Discount rates	8.3	%	10.8	%	8.3	%	10.8	%
Prepayment speeds	8.4	%	27.2	%	12.8	%	21.1	%