Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table presents gross carrying value and accumulated amortization by major intangible asset class as of September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020				December 31, 2019
	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Goodwill not subject to amortization (effective 1/1/02)	$	108,752	$	3,760	$	108,752	$	3,760
Intangibles from branch acquisition		3,015		3,015		3,015		3,015
Core deposit intangibles		32,355		20,214		32,355		17,746
Other intangibles		16,389		4,896		16,129		3,917
	$	160,511	$	31,885	$	160,251	$	28,438

Intangible Assets Mortgage Servicing Rights

The Company has mortgage servicing rights acquired in previous acquisitions. The following table summarizes the activity pertaining to mortgage servicing rights included in intangible assets as of September 30, 2020, September 30, 2019 and December 31, 2019 (in thousands):

	September 30, 2020			September 30, 2019			December 31, 2019
Beginning Balance	$	1,444		$	2,101		$	2,101
Valuation reserve		(328	)		(384	)		(380	)
Mortgage servicing rights amortized		(415	)		(293	)		(411	)
I/O Strip		(40	)		145			134
Ending Balance	$	661		$	1,569		$	1,444

Schedule of Intangible Assets Amortization Expense

Total amortization expense for the nine months ended September 30, 2020 and 2019 was as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Core deposit intangibles	$	804	$	935	$	2,468	$	2,868
Customer list intangibles		326		317		979		952
Mortgage servicing rights		147		121		415		732
	$	1,277	$	1,373	$	3,862	$	4,552

Schedule of Expected Amortization Expense

Aggregate amortization expense for the current year and estimated amortization expense for each of the five succeeding years is shown in the table below (in thousands):

Aggregate amortization expense:
For period 01/01/20-9/30/20	$	3,862
Estimated amortization expense:
For period 10/01/20-12/31/20		1,169
For year ended 12/31/21		4,388
For year ended 12/31/22		3,931
For year ended 12/31/23		3,587
For year ended 12/31/24		2,946
For year ended 12/31/25		2,633