Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangibles

Changes in the carrying amount and accumulated amortization of the Company’s core deposit premiums and other intangible assets at December 31, 2023 and 2022 were as follows:

(In thousands)	2023		2022
Core deposit premiums:
Balance, beginning of year	$	116,016	$	93,862
Acquisitions(1)	—		36,500
Amortization	(14,672)		(14,346)
Balance, end of year	101,344		116,016
Books of business and other intangibles:
Balance, beginning of year	12,935		12,373
Acquisitions(2)	—		2,131
Amortization	(1,634)		(1,569)
Balance, end of year	11,301		12,935
Total other intangible assets, net	$	112,645	$	128,951

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(1)    A core deposit premium of $36.5 million was recorded during 2022 as part of the Spirit acquisition. See Note 2, Acquisitions, for additional information on acquisitions.

(2)    The Company recorded $2.1 million during 2022 related to servicing assets acquired as part of the Spirit acquisition. See Note 2, Acquisitions, for additional information on acquisitions.

The carrying basis and accumulated amortization of the Company’s other intangible assets at December 31, 2023 and 2022 were as follows:

(In thousands)	2023		2022
Core deposit premiums:
Gross carrying amount	$	187,467	$	189,996
Accumulated amortization	(86,123)		(73,980)
Core deposit premiums, net	101,344		116,016
Books of business and other intangibles:
Gross carrying amount	22,068		22,068
Accumulated amortization	(10,767)		(9,133)
Books of business and other intangibles, net	11,301		12,935
Total other intangible assets, net	$	112,645	$	128,951

Estimated Remaining Amortization Expense

The Company’s estimated remaining amortization expense on other intangible assets as of December 31, 2023 is as follows: 

Year	(In thousands)
2024	$	15,403
2025	12,819
2026	12,346
2027	12,218
2028	11,312
Thereafter	48,547
Total	$	112,645