Segment Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Information

The following is a summary of certain operating information for reportable segments:

(In thousands)	Community Banking		Specialty Finance		Wealth Management		Total Operating Segments		Intersegment Eliminations		Consolidated
2023
Net interest income	$	1,440,975	$	329,044	$	32,736	$	1,802,755	$	35,109	$	1,837,864
Provision for credit losses	104,895		9,495		—		114,390		—		114,390
Non-interest income	263,023		105,992		136,561		505,576		(71,470)		434,106
Non-interest expense	1,036,432		186,513		125,915		1,348,860		(36,361)		1,312,499
Income tax expense	148,612		63,484		10,359		222,455		—		222,455
Net income	$	414,059	$	175,544	$	33,023	$	622,626	$	—	$	622,626
Total assets at end of year	$	44,355,786	$	10,664,887	$	1,239,261	$	56,259,934	$	—	$	56,259,934
2022
Net interest income	$	1,180,198	$	246,681	$	38,304	$	1,465,183	$	30,179	$	1,495,362
Provision for credit losses	74,184		4,405		—		78,589		—		78,589
Non-interest income	298,572		97,701		124,609		520,882		(59,829)		461,053
Non-interest expense	926,298		172,784		107,839		1,206,921		(29,650)		1,177,271
Income tax expense	128,939		46,286		15,648		190,873		—		190,873
Net income	$	349,349	$	120,907	$	39,426	$	509,682	$	—	$	509,682
Total assets at end of year	$	41,368,200	$	9,826,254	$	1,755,195	$	52,949,649	$	—	$	52,949,649
2021
Net interest income	$	868,477	$	197,958	$	31,939	$	1,098,374	$	26,583	$	1,124,957
Provision for credit losses	(60,309)		1,046		—		(59,263)		—		(59,263)
Non-interest income	422,698		95,822		128,951		647,471		(61,351)		586,120
Non-interest expense	912,296		143,526		111,490		1,167,312		(34,768)		1,132,544
Income tax expense	120,092		40,040		11,513		171,645		—		171,645
Net income	$	319,096	$	109,168	$	37,887	$	466,151	$	—	$	466,151
Total assets at end of year	$	40,253,818	$	8,382,722	$	1,505,603	$	50,142,143	$	—	$	50,142,143