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Goodwill and Other Intangible Assets
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
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.
Information regarding goodwill by reportable segment can be found within Note 15: Segment Reporting.
Other Intangible Assets
The following table summarizes other intangible assets:
 March 31, 2025December 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 relationships122,063 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 name6,100 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 
The remaining estimated aggregate future amortization expense for other intangible assets is as follows:
(In thousands)March 31,
2025
Remainder of 2025$26,814 
202634,083 
202733,033 
202830,162 
202928,289 
Thereafter172,683