Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Disclosure

The following table presents the changes in CDI and CRI and the related accumulated amortization for the years indicated:

	Year Ended December 31,
	2023		2022		2021
	(In thousands)
Gross Amount of CDI and CRI:
Balance, beginning of year	$	91,550	$	133,850	$	109,646
Addition from the PacWest Bancorp merger	145,464		—		—
Addition from the HOA Business acquisition	—		—		33,300
Addition from the Civic acquisition	—		—		750
Fully amortized portion	(750)		(42,300)		(9,846)
Balance, end of year	236,264		91,550		133,850
Accumulated Amortization:
Balance, beginning of year	(60,169)		(88,893)		(86,005)
Amortization expense	(11,368)		(13,576)		(12,734)
Fully amortized portion	750		42,300		9,846
Balance, end of year	(70,787)		(60,169)		(88,893)
Net CDI and CRI, end of year	$	165,477	$	31,381	$	44,957

Schedule of Goodwill

The following table presents the changes in the carrying amount of goodwill for the years indicated:

	Goodwill
	(In thousands)
Balance, December 31, 2021	$	1,405,736
Impairment - Civic	(29,000)
Balance, December 31, 2022	1,376,736
Impairment	(1,376,736)
Merger with PacWest Bancorp	198,627
Balance, December 31, 2023	$	198,627

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table presents the estimated aggregate future amortization expense for our current intangible assets as of the date indicated:

	December 31, 2023
	(In thousands)
Year Ending December 31,
2024	$	32,533
2025	27,657
2026	24,411
2027	21,166
2028	17,921
Thereafter	41,789
Net CDI and CRI	$	165,477