Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table summarizes changes in the carrying amount of goodwill:

(In thousands)	March 31, 2025		December 31, 2024
Balance, beginning of period	$	2,868,068	$	2,631,465
Ametros acquisition (1)	—		236,603
Balance, end of period	$	2,868,068	$	2,868,068

(1)Reflects the $228.2 million of goodwill recorded in connection with the Ametros acquisition in January 2024, and $8.4 million of other adjustments. The allocation of the purchase price and goodwill calculation for the Ametros acquisition was considered final as of December 31, 2024.

Schedule of Finite-Lived Intangible Assets

The following table summarizes other intangible assets:

	March 31, 2025						December 31, 2024
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposits	$	328,837	$	82,210	$	246,627	$	328,837	$	76,795	$	252,042
Customer relationships	122,063		50,503		71,560		122,063		47,186		74,877
Non-competition agreement	4,000		1,800		2,200		4,000		1,600		2,400
Trade name	6,100		1,423		4,677		6,100		1,118		4,982
Total other intangible assets	$	461,000	$	135,936	$	325,064	$	461,000	$	126,699	$	334,301

Schedule of Expected Amortization Expense

The remaining estimated aggregate future amortization expense for other intangible assets is as follows:

(In thousands)	March 31, 2025
Remainder of 2025	$	26,814
2026	34,083
2027	33,033
2028	30,162
2029	28,289
Thereafter	172,683