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Loans and Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2026

Accounts Notes And Loans Receivable [Line Items]

Loans, Net of Unearned Income

		March 31,				December 31,
($ in thousands)		2026				2025
Commercial non-real estate		$	9,710,891			$	9,809,011
Commercial real estate - owner occupied			3,299,867				3,270,080
Total commercial and industrial			13,010,758				13,079,091
Commercial real estate - income producing			4,382,665				4,283,168
Construction and land development			1,320,224				1,239,086
Residential mortgages			3,950,154				4,016,917
Consumer			1,328,039				1,340,178
Total loans		$	23,991,840			$	23,958,440

Allowance for Credit Losses by Portfolio Class

The following tables present activity in the allowance for credit losses by portfolio class for the three months ended March 31, 2026 and 2025, as well as the allowance for credit loss by primary calculation method at the end of each period.

				Commercial			Total			Commercial
	Commercial			Real Estate-			Commercial			Real Estate-			Construction
	Non-Real			Owner			and			Income			and Land			Residential
($ in thousands)	Estate			Occupied			Industrial			Producing			Development			Mortgages			Consumer			Total
	Three Months Ended March 31, 2026
Allowance for credit losses
Allowance for loan losses:
Beginning balance	$	121,439		$	40,695		$	162,134		$	60,475		$	17,450		$	42,834		$	24,838		$	307,731
Charge-offs		(8,506	)		(8	)		(8,514	)		—			(219	)		(250	)		(4,410	)		(13,393	)
Recoveries		1,123			142			1,265			3			1			71			917			2,257
Net provision for loan losses		13,433			2,901			16,334			(3,363	)		478			(1,089	)		2,361			14,721
Ending balance - allowance for loan losses	$	127,489		$	43,730		$	171,219		$	57,115		$	17,710		$	41,566		$	23,706		$	311,316
Reserve for unfunded lending commitments:
Beginning balance	$	12,639		$	371		$	13,010		$	1,005		$	17,949		$	3		$	1,961		$	33,928
Provision for losses on unfunded commitments		(1,292	)		(48	)		(1,340	)		(183	)		86			(2	)		(110	)		(1,549	)
Ending balance - reserve for unfunded lending commitments		11,347			323			11,670			822			18,035			1			1,851			32,379
Total allowance for credit losses	$	138,836		$	44,053		$	182,889		$	57,937		$	35,745		$	41,567		$	25,557		$	343,695
Allowance for credit losses:
Individually evaluated	$	10,947		$	—		$	10,947		$	—		$	—		$	234		$	52		$	11,233
Collectively evaluated	$	127,889		$	44,053		$	171,942		$	57,937		$	35,745		$	41,333		$	25,505		$	332,462

				Commercial			Total			Commercial
	Commercial			Real Estate-			Commercial			Real Estate-			Construction
	Non-Real			Owner			and			Income			and Land			Residential
($ in thousands)	Estate			Occupied			Industrial			Producing			Development			Mortgages			Consumer			Total
	Three Months Ended March 31, 2025
Allowance for credit losses
Allowance for loan losses:
Beginning balance	$	121,090		$	36,264		$	157,354		$	71,975		$	21,158		$	42,445		$	25,950		$	318,882
Charge-offs		(6,132	)		(2,741	)		(8,873	)		(34	)		(8	)		(167	)		(4,211	)		(13,293	)
Recoveries		1,650			95			1,745			—			110			387			804			3,046
Net provision for loan losses		5,607			2,515			8,122			(1,562	)		(1,052	)		535			3,441			9,484
Ending balance - allowance for loan losses	$	122,215		$	36,133		$	158,348		$	70,379		$	20,208		$	43,200		$	25,984		$	318,119
Reserve for unfunded lending commitments:
Beginning balance	$	6,441		$	309		$	6,750		$	642		$	14,639		$	4		$	2,018		$	24,053
Provision for losses on unfunded commitments		515			(13	)		502			(198	)		696			(1	)		(21	)		978
Ending balance - reserve for unfunded lending commitments		6,956			296			7,252			444			15,335			3			1,997			25,031
Total allowance for credit losses	$	129,171		$	36,429		$	165,600		$	70,823		$	35,543		$	43,203		$	27,981		$	343,150
Allowance for credit losses
Individually evaluated	$	10,406		$	49		$	10,455		$	—		$	—		$	752		$	197		$	11,404
Collectively evaluated	$	118,765		$	36,380		$	155,145		$	70,823		$	35,543		$	42,451		$	27,784		$	331,746

Composition of Nonaccrual Loans and Without an Allowance for Loan Loss by Portfolio Class

The following table shows the composition of nonaccrual loans and those without an allowance for loan losses, by portfolio class at March 31, 2026 and December 31, 2025.

	March 31, 2026						December 31, 2025
($ in thousands)	Total Nonaccrual			Nonaccrual Without Allowance for Loan Loss			Total Nonaccrual			Nonaccrual Without Allowance for Loan Loss
Commercial non-real estate	$	41,381		$	5,302		$	34,525		$	3,294
Commercial real estate - owner occupied		5,930			2,810			6,723			1,470
Total commercial and industrial		47,311			8,112			41,248			4,764
Commercial real estate - income producing		2,010			1,326			4,760			5,114
Construction and land development		1,028			—			3,173			2,178
Residential mortgages		51,262			1,076			46,986			2,511
Consumer		11,732			167			10,703			316
Total	$	113,343		$	10,681		$	106,870		$	14,883

Provides Detail by Portfolio Class for Reportable MEFDs

The tables below provide detail by portfolio class for reportable MEFDs entered into during the three months ended March 31, 2026 and 2025. Modified facilities are reported using the balance at the end of each period reported and are reflected only once in each table based on the type of modification or combination of modification.

	Three Months Ended March 31, 2026
	Term Extension						Significant Payment Delay						Term Extensions and Significant Payment Delay						Other(1)
($ in thousands)	Balance			Percentage of Portfolio			Balance			Percentage of Portfolio			Balance			Percentage of Portfolio			Balance			Percentage of Portfolio
Commercial non-real estate	$	3,471			0.04	%	$	16,305			0.17	%	$	7,425			0.08	%	$	—			—
Commercial real estate - owner occupied		—			—			—			—			—			—			—			—
Total commercial and industrial		3,471			0.03	%		16,305			0.13	%		7,425			0.06	%		—			—
Commercial real estate - income producing		—			—			—			—			—			—			—			—
Construction and land development		—			—			—			—			—			—			—			—
Residential mortgages		3,949			0.10	%		—			—			—			—			263			0.01	%
Consumer		31			0.00	%		—			—			—			—			—			—
Total reportable modified loans	$	7,451			0.03	%	$	16,305			0.07	%	$	7,425			0.03	%	$	263			0.00	%

(1)Includes a combination of interest rate reduction and term extension.

	Three Months Ended March 31, 2025
	Term Extension						Significant Payment Delay						Term Extensions and Significant Payment Delay						Other
($ in thousands)	Balance			Percentage of Portfolio			Balance			Percentage of Portfolio			Balance			Percentage of Portfolio			Balance			Percentage of Portfolio
Commercial non-real estate	$	44,700			0.46	%	$	197			0.00	%	$	—			—		$	—			—
Commercial real estate - owner occupied		366			0.01	%		—			—			—			—			—			—
Total commercial and industrial		45,066			0.36	%		197			0.00	%		—			—			—			—
Commercial real estate - income producing		—			—			—			—			—			—			—			—
Construction and land development		—			—			—			—			—			—			—			—
Residential mortgages		13,167			0.33	%		412			0.01	%		—			—			—			—
Consumer		—			—			—			—			—			—			—			—
Total reportable modified loans	$	58,233			0.25	%	$	609			0.00	%	$	—			—		$	—			—

Aging Analysis of Reportable Modifications To Borrowers Experiencing Financial Difficulty by Portfolio Class

The tables that follow present the aging analysis of reportable modifications to borrowers experiencing financial difficulty by portfolio class at March 31, 2026 and December 31, 2025.

March 31, 2026	30-59 Days Past Due			60-89 Days Past Due			Greater than 90 Days Past Due			Total Past Due			Current			Total Reportable Modified Loans
(in thousands)
Commercial non-real estate	$	9,850		$	543		$	5,069		$	15,462		$	72,194		$	87,656
Commercial real estate - owner occupied		—			23,128			5,569			28,697			231			28,928
Total commercial and industrial		9,850			23,671			10,638			44,159			72,425			116,584
Commercial real estate - income producing		—			1,217			1,705			2,922			11,035			13,957
Construction and land development		—			—			147			147			—			147
Residential mortgages		300			2,226			27			2,553			9,127			11,680
Consumer		—			—			148			148			251			399
Total reportable modified loans	$	10,150		$	27,114		$	12,665		$	49,929		$	92,838		$	142,767

December 31, 2025	30-59 Days Past Due			60-89 Days Past Due			Greater than 90 Days Past Due			Total Past Due			Current			Total Reportable Modified Loans
(in thousands)
Commercial non-real estate	$	—		$	27,670		$	734		$	28,404		$	74,911		$	103,315
Commercial real estate - owner occupied		—			—			—			—			28,939			28,939
Total commercial and industrial		—			27,670			734			28,404			103,850			132,254
Commercial real estate - income producing		—			—			—			—			14,914			14,914
Construction and land development		—			—			—			—			147			147
Residential mortgages		1,285			416			—			1,701			13,458			15,159
Consumer		—			—			148			148			227			375
Total reportable modified loans	$	1,285		$	28,086		$	882		$	30,253		$	132,596		$	162,849

Aging Analysis of Past Due Loans by Portfolio Class

The tables below present the aging analysis of past due loans by portfolio class at March 31, 2026 and December 31, 2025.

March 31, 2026	30-59 Days Past Due			60-89 Days Past Due			Greater than 90 Days Past Due			Total Past Due			Current			Total Loans			Recorded Investment > 90 Days and Still Accruing
($ in thousands)
Commercial non-real estate	$	28,794		$	18,882		$	44,631		$	92,307		$	9,618,584		$	9,710,891		$	15,105
Commercial real estate - owner occupied		5,432			26,986			13,311			45,729			3,254,138			3,299,867			8,235
Total commercial and industrial		34,226			45,868			57,942			138,036			12,872,722			13,010,758			23,340
Commercial real estate - income producing		15,891			1,360			5,842			23,093			4,359,572			4,382,665			4,312
Construction and land development		3,189			247			1,090			4,526			1,315,698			1,320,224			147
Residential mortgages		52,593			13,821			27,965			94,379			3,855,775			3,950,154			70
Consumer		9,215			3,699			9,042			21,956			1,306,083			1,328,039			2,016
Total loans	$	115,114		$	64,995		$	101,881		$	281,990		$	23,709,850		$	23,991,840		$	29,885

December 31, 2025	30-59 Days Past Due			60-89 Days Past Due			Greater than 90 Days Past Due			Total Past Due			Current			Total Loans			Recorded Investment > 90 Days and Still Accruing
($ in thousands)
Commercial non-real estate	$	19,008		$	43,316		$	39,954		$	102,278		$	9,706,733		$	9,809,011		$	20,358
Commercial real estate - owner occupied		15,013			308			7,609			22,930			3,247,150			3,270,080			1,586
Total commercial and industrial		34,021			43,624			47,563			125,208			12,953,883			13,079,091			21,944
Commercial real estate - income producing		990			2,806			7,177			10,973			4,272,195			4,283,168			2,928
Construction and land development		1,754			564			3,488			5,806			1,233,280			1,239,086			565
Residential mortgages		42,302			17,984			34,656			94,942			3,921,975			4,016,917			116
Consumer		9,284			4,675			9,839			23,798			1,316,380			1,340,178			3,245
Total loans	$	88,351		$	69,653		$	102,723		$	260,727		$	23,697,713		$	23,958,440		$	28,798

Credit Quality Indicators by Segment and Portfolio Class

The following tables present credit quality disclosures of amortized cost by class and vintage for term loans and by revolving and revolving converted to amortizing at March 31, 2026 and December 31, 2025. The Company defines vintage as the later of origination, renewal or modification date. The gross charge-offs presented in the tables that follow are for the three months ended March 31, 2026 and the year ended December 31, 2025.

	Term Loans																					Revolving Loans
March 31, 2026	Amortized Cost Basis by Origination Year																		Revolving			Converted to
($ in thousands)	2026			2025			2024			2023			2022			Prior			Loans			Term Loans			Total
Commercial Non-Real Estate:
Pass	$	486,599		$	1,850,898		$	1,020,799		$	664,963		$	742,221		$	1,291,012		$	2,961,563		$	104,592		$	9,122,647
Pass-Watch		253			21,467			16,094			34,761			30,484			49,044			73,504			1,464			227,071
Special Mention		—			3,871			12,835			4,857			25,181			8,209			12,096			1,245			68,294
Substandard		6,349			8,709			14,703			75,446			70,940			31,809			77,583			7,340			292,879
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	493,201		$	1,884,945		$	1,064,431		$	780,027		$	868,826		$	1,380,074		$	3,124,746		$	114,641		$	9,710,891
Gross Charge-offs	$	—		$	133		$	283		$	4,363		$	387		$	2,239		$	474		$	627		$	8,506
Commercial Real Estate - Owner Occupied:
Pass	$	143,915		$	618,064		$	376,479		$	350,264		$	452,448		$	1,116,223		$	58,888		$	614		$	3,116,895
Pass-Watch		1,146			26,994			9,420			1,881			32,074			25,256			615			—			97,386
Special Mention		—			2,357			1,099			638			6,250			5,258			—			—			15,602
Substandard		—			4,156			806			7,081			20,804			36,893			244			—			69,984
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	145,061		$	651,571		$	387,804		$	359,864		$	511,576		$	1,183,630		$	59,747		$	614		$	3,299,867
Gross Charge-offs	$	—		$	—		$	—		$	—		$	8		$	—		$	—		$	—		$	8
Commercial Real Estate - Income Producing:
Pass	$	255,347		$	1,055,337		$	477,210		$	515,599		$	674,686		$	1,084,031		$	65,341		$	50		$	4,127,601
Pass-Watch		—			81,629			130			952			93,495			33,077			1,053			—			210,336
Special Mention		—			7,955			—			285			—			—			—			—			8,240
Substandard		—			1,086			—			3,933			11,191			18,900			1,378			—			36,488
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	255,347		$	1,146,007		$	477,340		$	520,769		$	779,372		$	1,136,008		$	67,772		$	50		$	4,382,665
Gross Charge-offs	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Construction and Land Development:
Pass	$	71,790		$	430,756		$	328,254		$	191,007		$	45,730		$	87,764		$	113,764		$	4,538		$	1,273,603
Pass-Watch		—			3,651			436			1,769			2,498			277			7,278			—			15,909
Special Mention		—			—			—			—			27,947			109			—			—			28,056
Substandard		—			149			180			1,535			333			416			43			—			2,656
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	71,790		$	434,556		$	328,870		$	194,311		$	76,508		$	88,566		$	121,085		$	4,538		$	1,320,224
Gross Charge-offs	$	—		$	—		$	—		$	—		$	218		$	1		$	—		$	—		$	219
Residential Mortgage:
Performing	$	56,722		$	324,309		$	125,804		$	379,349		$	1,018,788		$	1,990,972		$	2,948		$	—		$	3,898,892
Nonperforming		—			627			1,963			12,620			13,197			22,855			—			—			51,262
Total	$	56,722		$	324,936		$	127,767		$	391,969		$	1,031,985		$	2,013,827		$	2,948		$	—		$	3,950,154
Gross Charge-offs	$	—		$	—		$	—		$	190		$	—		$	60		$	—		$	—		$	250
Consumer Loans:
Performing	$	28,083		$	28,414		$	22,110		$	19,650		$	15,463		$	73,494		$	1,117,658		$	11,435		$	1,316,307
Nonperforming		—			45			267			1,334			1,336			7,318			362			1,070			11,732
Total	$	28,083		$	28,459		$	22,377		$	20,984		$	16,799		$	80,812		$	1,118,020		$	12,505		$	1,328,039
Gross Charge-offs	$	—		$	59		$	266		$	272		$	291		$	135		$	2,926		$	461		$	4,410

	Term Loans																					Revolving Loans
December 31, 2025	Amortized Cost Basis by Origination Year																		Revolving			Converted to
($ in thousands)	2025			2024			2023			2022			2021			Prior			Loans			Term Loans			Total
Commercial Non-Real Estate:
Pass	$	2,030,587		$	1,164,266		$	711,218		$	812,902		$	525,095		$	891,032		$	2,955,174		$	90,350		$	9,180,624
Pass-Watch		24,737			27,477			39,683			33,385			12,896			18,064			94,461			15,417			266,120
Special Mention		2,405			6,975			6,239			27,719			10,564			4,305			28,330			2,192			88,729
Substandard		13,738			6,450			81,228			87,745			11,275			6,798			51,619			14,685			273,538
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	2,071,467		$	1,205,168		$	838,368		$	961,751		$	559,830		$	920,199		$	3,129,584		$	122,644		$	9,809,011
Gross Charge-offs	$	4,798		$	2,718		$	15,397		$	2,888		$	74		$	531		$	3,722		$	15,436		$	45,564
Commercial Real Estate - Owner Occupied:
Pass	$	616,536		$	401,399		$	312,006		$	461,247		$	459,700		$	711,509		$	51,600		$	50,328		$	3,064,325
Pass-Watch		26,766			6,397			2,746			43,060			14,187			27,591			2,506			120			123,373
Special Mention		2,371			2,202			1,008			12,024			5,054			293			195			48			23,195
Substandard		2,082			822			6,685			20,353			1,472			27,723			50			—			59,187
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	647,755		$	410,820		$	322,445		$	536,684		$	480,413		$	767,116		$	54,351		$	50,496		$	3,270,080
Gross Charge-offs	$	—		$	—		$	86		$	—		$	2,741		$	1,799		$	—		$	—		$	4,626
Commercial Real Estate - Income Producing:
Pass	$	1,110,044		$	416,052		$	519,955		$	724,326		$	549,335		$	649,996		$	64,217		$	1,490		$	4,035,415
Pass-Watch		22,429			15,606			4,219			101,959			4,277			40,381			1,123			—			189,994
Special Mention		7,962			—			289			—			—			—			—			—			8,251
Substandard		192			—			7,669			10,441			10,871			20,185			150			—			49,508
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	1,140,627		$	431,658		$	532,132		$	836,726		$	564,483		$	710,562		$	65,490		$	1,490		$	4,283,168
Gross Charge-offs	$	—		$	—		$	—		$	34		$	—		$	—		$	—		$	—		$	34
Construction and Land Development:
Pass	$	349,811		$	358,827		$	185,672		$	54,798		$	75,084		$	14,954		$	131,153		$	535		$	1,170,834
Pass-Watch		29,323			814			1,500			3,299			128			241			—			—			35,305
Special Mention		60			—			—			28,036			112			—			—			—			28,208
Substandard		72			185			1,665			2,560			135			122			—			—			4,739
Doubtful		—			—			—			—			—			—			—			—			—
Total	$	379,266		$	359,826		$	188,837		$	88,693		$	75,459		$	15,317		$	131,153		$	535		$	1,239,086
Gross Charge-offs	$	—		$	—		$	—		$	1,297		$	—		$	17		$	—		$	—		$	1,314
Residential Mortgage:
Performing	$	360,686		$	131,928		$	390,276		$	1,039,884		$	824,012		$	1,220,288		$	2,857		$	—		$	3,969,931
Nonperforming		371			2,300			10,582			10,244			6,335			17,154			—			—			46,986
Total	$	361,057		$	134,228		$	400,858		$	1,050,128		$	830,347		$	1,237,442		$	2,857		$	—		$	4,016,917
Gross Charge-offs	$	—		$	36		$	502		$	335		$	—		$	49		$	—		$	—		$	922
Consumer Loans:
Performing	$	50,512		$	24,693		$	22,963		$	18,103		$	8,928		$	47,131		$	1,123,471		$	33,674		$	1,329,475
Nonperforming		51			44			349			842			627			4,367			408			4,015			10,703
Total	$	50,563		$	24,737		$	23,312		$	18,945		$	9,555		$	51,498		$	1,123,879		$	37,689		$	1,340,178
Gross Charge-offs	$	85		$	952		$	1,104		$	1,277		$	528		$	695		$	9,228		$	2,137		$	16,006

Total Commercial [Member]

Accounts Notes And Loans Receivable [Line Items]

Credit Quality Indicators by Segment and Portfolio Class

The following tables present the credit quality indicators by segment and portfolio class of loans at March 31, 2026 and December 31, 2025.

	March 31, 2026
($ in thousands)	Commercial Non-Real Estate			Commercial Real Estate - Owner- Occupied			Total Commercial and Industrial			Commercial Real Estate - Income Producing			Construction and Land Development			Total Commercial
Grade:
Pass	$	9,122,647		$	3,116,895		$	12,239,542		$	4,127,601		$	1,273,603		$	17,640,746
Pass-Watch		227,071			97,386			324,457			210,336			15,909			550,702
Special Mention		68,294			15,602			83,896			8,240			28,056			120,192
Substandard		292,879			69,984			362,863			36,488			2,656			402,007
Doubtful		—			—			—			—			—			—
Total	$	9,710,891		$	3,299,867		$	13,010,758		$	4,382,665		$	1,320,224		$	18,713,647

	December 31, 2025
($ in thousands)	Commercial Non-Real Estate			Commercial Real Estate - Owner- Occupied			Total Commercial and Industrial			Commercial Real Estate - Income Producing			Construction and Land Development			Total Commercial
Grade:
Pass	$	9,180,624		$	3,064,325		$	12,244,949		$	4,035,415		$	1,170,834		$	17,451,198
Pass-Watch		266,120			123,373			389,493			189,994			35,305			614,792
Special Mention		88,729			23,195			111,924			8,251			28,208			148,383
Substandard		273,538			59,187			332,725			49,508			4,739			386,972
Doubtful		—			—			—			—			—			—
Total	$	9,809,011		$	3,270,080		$	13,079,091		$	4,283,168		$	1,239,086		$	18,601,345

Residential Mortgage and Consumer [Member]

Accounts Notes And Loans Receivable [Line Items]

Credit Quality Indicators by Segment and Portfolio Class

		March 31, 2026												December 31, 2025
($ in thousands)		Residential Mortgage				Consumer				Total				Residential Mortgage				Consumer				Total
Performing		$	3,898,892			$	1,316,307			$	5,215,199			$	3,969,931			$	1,329,475			$	5,299,406
Nonperforming			51,262				11,732				62,994				46,986				10,703				57,689
Total		$	3,950,154			$	1,328,039			$	5,278,193			$	4,016,917			$	1,340,178			$	5,357,095

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