Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

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,
	2024		2023		2022
	(In thousands)
Gross Amount of CDI and CRI:
Balance, beginning of year	$	236,264	$	91,550	$	133,850
Addition from the PacWest Bancorp merger	—		145,464		—
Fully amortized portion	(57,500)		(750)		(42,300)
Balance, end of year	178,764		236,264		91,550
Accumulated Amortization:
Balance, beginning of year	(70,787)		(60,169)		(88,893)
Amortization expense	(32,533)		(11,368)		(13,576)
Fully amortized portion	57,500		750		42,300
Balance, end of year	(45,820)		(70,787)		(60,169)
Net CDI and CRI, end of year	$	132,944	$	165,477	$	31,381

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, 2022	$	1,376,736
Impairment	(1,376,736)
Addition from the Merger with PacWest Bancorp	198,627
Balance, December 31, 2023	$	198,627
Purchase accounting adjustments - Merger with PacWest Bancorp	15,894
Balance, December 31, 2024	$	214,521

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table presents the estimated aggregate future amortization expense for our current CDI and CRI as of the date indicated:

	December 31, 2024
	(In thousands)
Year Ending December 31,
2025	$	27,657
2026	24,412
2027	21,166
2028	17,920
2029	14,675
Thereafter	27,114
Net CDI and CRI	$	132,944