GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS

GOODWILL AND OTHER INTANGIBLE ASSETS     

The following table sets forth the carrying value of goodwill and other intangible assets, net of accumulated amortization, at December 31:

	2021		2020
	(Dollars in thousands)
Balances not subject to amortization
Goodwill	$	985,072	$	506,206
Balances subject to amortization
Core deposit intangibles	27,053		22,215
Other intangible assets	5,719		892
Total other intangible assets	32,772		23,107
Total goodwill and other intangible assets	$	1,017,844	$	529,313

The changes in the carrying value of goodwill for the periods indicated were as follows:

	2021		2020
	(Dollars in thousands)
Balance at beginning of year	$	506,206	$	506,206
Acquisitions	478,866		—
Balance at end of year	$	985,072	$	506,206

The gross carrying amount and accumulated amortization of other intangible assets were as follows at the dates indicated:

	December 31
	2021						2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(Dollars in thousands)
Core deposit intangibles	$	48,920	$	(21,867)	$	27,053	$	38,620	$	(16,405)	$	22,215
Other intangible assets	6,390		(671)		5,719		2,434		(1,542)		892
Total	$	55,310	$	(22,538)	$	32,772	$	41,054	$	(17,947)	$	23,107

The following table sets forth the estimated annual amortization expense of intangible assets for each of the next five years:

Year	Amount
	(Dollars in thousands)
2022	$	7,662
2023	$	6,884
2024	$	5,911
2025	$	4,720
2026	$	2,824

The original weighted average amortization period for intangible assets is 9.5 years.