Note 6 - Loans and the Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		March 31, 2026				December 31, 2025
		(dollars in thousands)
Commercial		$	1,644,836			$	1,565,963
Commercial real estate			8,318,844				8,054,696
Commercial construction			571,073				623,902
Residential real estate			1,202,539				1,210,980
Consumer			1,801				2,017
Gross loans			11,739,093				11,457,558
Net deferred loan fees			(3,497	)			(4,278	)
Total loans receivable		$	11,735,596			$	11,453,280

Schedule of Loans Held-for-sale [Table Text Block]

		March 31, 2026				December 31, 2025
		(dollars in thousands)
Commercial		$	10,222			$	-
Residential			-				391
Total		$	10,222			$	391

Financing Receivable, Nonaccrual [Table Text Block]

		March 31, 2026
		Nonaccrual loans with ACL				Nonaccrual loans without ACL				Total nonaccrual loans
		(dollars in thousands)
Commercial		$	1,996			$	10,802				12,798
Commercial real estate			9,411				15,524				24,935
Residential real estate			528				3,318				3,846
Total		$	11,935			$	29,644			$	41,579

		December 31, 2025
		Nonaccrual loans with ACL				Nonaccrual loans without ACL				Total nonaccrual loans
		(dollars in thousands)
Commercial		$	1,987			$	11,052			$	13,039
Commercial real estate			207				28,354				28,561
Residential real estate			549				3,766				4,315
Total		$	2,743			$	43,172			$	45,915

Schedule of Loans Purchase With Credit Deterioration [Table Text Block]

(dollars in thousands)		March 31, 2026				December 31, 2025
Commercial		$	4,617			$	5,398
Commercial real estate			201,147				213,770
Residential real estate			1,857				1,962
Total purchased credit-deteriorated loans		$	207,621			$	221,130

Financing Receivable Origination And Risk Designation [Table Text Block]

		*Term loans amortized cost basis by origination year*
		*2026*				*2025*				*2024*				*2023*				*2022*				*Prior*				*Revolving Loans*				*Total Gross Loans*
Commercial
Pass		$	46,817			$	181,268			$	207,276			$	116,226			$	218,823			$	342,707			$	487,902			$	1,601,019
Special mention			-				-				-				-				692				76				44				812
Substandard			5,893				146				-				3,023				3,098				17,075				13,770				43,005
Doubtful			-				-				-				-				-				-				-				-
Total commercial		$	52,710			$	181,414			$	207,276			$	119,249			$	222,613			$	359,858			$	501,716			$	1,644,836
YTD gross charge-offs		$	-			$	-			$	39			$	-			$	-			$	-			$	437			$	476

Commercial real estate
Pass		$	328,358			$	1,135,353			$	389,184			$	296,057			$	1,469,396			$	2,939,126			$	1,548,996			$	8,106,470
Special mention			-				-				-				-				35,939				74,535				192				110,666
Substandard			-				-				4,010				-				21,929				47,940				27,829				101,708
Doubtful			-				-				-				-				-				-				-				-
Total commercial real estate		$	328,358			$	1,135,353			$	393,194			$	296,057			$	1,527,264			$	3,061,601			$	1,577,017			$	8,318,844
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	1,005			$	5,642			$	-			$	6,647

Commercial construction
Pass		$	10,565			$	111,171			$	121,603			$	17,858			$	8,007			$	84,078			$	217,791			$	571,073
Special mention			-				-				-				-				-				-				-				-
Substandard			-				-				-				-				-				-				-				-
Doubtful			-				-				-				-				-				-				-				-
Total commercial construction		$	10,565			$	111,171			$	121,603			$	17,858			$	8,007			$	84,078			$	217,791			$	571,073
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	-			$	-			$	-

Residential real estate
Pass		$	18,788			$	37,414			$	19,543			$	90,386			$	145,326			$	524,160			$	358,390			$	1,194,007
Special mention			-				-				-				-				-				-				3,326				3,326
Substandard			-				-				-				-				-				2,865				2,341				5,206
Doubtful			-				-				-				-				-				-				-				-
Total residential real estate		$	18,788			$	37,414			$	19,543			$	90,386			$	145,326			$	527,025			$	364,057			$	1,202,539
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	-			$	-			$	-

Consumer
Pass		$	1,632			$	9			$	8			$	-			$	-			$	74			$	78			$	1,801
Special mention			-				-				-				-				-				-				-				-
Substandard			-				-				-				-				-				-				-				-
Doubtful			-				-				-				-				-				-				-				-
Total consumer		$	1,632			$	9			$	8			$	-			$	-			$	74			$	78			$	1,801
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	-			$	-			$	-

Total
Pass		$	406,160			$	1,465,215			$	737,614			$	520,527			$	1,841,552			$	3,890,145			$	2,613,157			$	11,474,370
Special mention			-				-				-				-				36,631				74,611				3,562				114,804
Substandard			5,893				146				4,010				3,023				25,027				67,880				43,940				149,919
Doubtful			-				-				-				-				-				-				-				-
Grand total		$	412,053			$	1,465,361			$	741,624			$	523,550			$	1,903,210			$	4,032,636			$	2,660,659			$	11,739,093
YTD gross charge-offs		$	-			$	-			$	39			$	-			$	1,005			$	5,642			$	437			$	7,123

		*Term loans amortized cost basis by origination year*
		*2025*				*2024*				*2023*				*2022*				*2021*				*Prior*				*Revolving Loans*				*Total Gross Loans*
Commercial
Pass		$	165,942			$	194,070			$	137,181			$	217,504			$	177,715			$	145,173			$	479,906			$	1,517,491
Special mention			-				-				-				694				-				2,927				44				3,665
Substandard			146				539				3,048				3,120				2,599				10,625				24,730				44,807
Doubtful			-				-				-				-				-				-				-				-
Total commercial		$	166,088			$	194,609			$	140,229			$	221,318			$	180,314			$	158,725			$	504,680			$	1,565,963
YTD gross charge-offs		$	-			$	-			$	32			$	1,669			$	-			$	854			$	1,961			$	4,516

Commercial real estate
Pass		$	1,129,223			$	416,806			$	303,121			$	1,487,034			$	1,391,743			$	1,648,135			$	1,451,710			$	7,827,772
Special mention			-				-				-				39,271				3,741				71,452				6,998				121,462
Substandard			-				4,024				-				22,193				9,066				54,778				15,401				105,462
Doubtful			-				-				-				-				-				-				-				-
Total commercial real estate		$	1,129,223			$	420,830			$	303,121			$	1,548,498			$	1,404,550			$	1,774,365			$	1,474,109			$	8,054,696
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	13,839			$	-			$	13,839

Commercial construction
Pass		$	108,660			$	120,104			$	36,316			$	17,912			$	63,727			$	44,193			$	232,990			$	623,902
Special mention			-				-				-				-				-				-				-				-
Substandard			-				-				-				-				-				-				-				-
Doubtful			-				-				-				-				-				-				-				-
Total commercial construction		$	108,660			$	120,104			$	36,316			$	17,912			$	63,727			$	44,193			$	232,990			$	623,902
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	-			$	-			$	-

Residential real estate
Pass		$	36,615			$	26,638			$	33,577			$	201,351			$	114,215			$	416,017			$	373,244			$	1,201,657
Special mention			-				-				-				-				-				-				3,343				3,343
Substandard			-				-				-				-				798				2,516				2,666				5,980
Doubtful			-				-				-				-				-				-				-				-
Total residential real estate		$	36,615			$	26,638			$	33,577			$	201,351			$	115,013			$	418,533			$	379,253			$	1,210,980
YTD gross charge-offs		$	-			$	-			$	-			$	-			$	-			$	-			$	1,000			$	1,000

Consumer
Pass		$	1,863			$	-			$	-			$	-			$	-			$	63			$	91			$	2,017
Special mention			-				-				-				-				-				-				-				-
Substandard			-				-				-				-				-				-				-				-
Doubtful			-				-				-				-				-				-				-				-
Total consumer		$	1,863			$	-			$	-			$	-			$	-			$	63			$	91			$	2,017
YTD gross charge-offs		$	25			$	-			$	-			$	-			$	-			$	-			$	1			$	26

Total
Pass		$	1,442,303			$	757,618			$	510,195			$	1,923,801			$	1,747,400			$	2,253,581			$	2,537,941			$	11,172,839
Special mention			-				-				-				39,965				3,741				74,379				10,385				128,470
Substandard			146				4,563				3,048				25,313				12,463				67,919				42,797				156,249
Doubtful			-				-				-				-				-				-				-				-
Grand total		$	1,442,449			$	762,181			$	513,243			$	1,989,079			$	1,763,604			$	2,395,879			$	2,591,123			$	11,457,558
YTD gross charge-offs		$	25			$	-			$	32			$	1,669			$	-			$	14,693			$	2,962			$	19,381

Financing Receivable, Collateral Dependent [Table Text Block]

		March 31, 2026
		Real Estate				Other				Total
		(dollars in thousands)
Commercial		$	6,124			$	8,676			$	14,800
Commercial real estate			225,669				-				225,669
Residential real estate			5,069				-				5,069
Total		$	236,862			$	8,676			$	245,538

		December 31, 2025
		Real Estate				Other				Total
		(dollars in thousands)
Commercial		$	6,948			$	8,783			$	15,731
Commercial real estate			242,125				-				242,125
Residential real estate			5,637				-				5,637
Total		$	254,710			$	8,783			$	263,493

Financing Receivable, Past Due [Table Text Block]

		March 31, 2026
		30-59 Days Past Due				60-89 Days Past Due				90 Days or Greater Past Due and Still Accruing				Nonaccrual				Total Past Due and Nonaccrual				Current				Gross Loans
		(dollars in thousands)
Commercial		$	2,881			$	-			$	426			$	12,798			$	16,105			$	1,628,731			$	1,644,836
Commercial real estate			82,614				-				6,765				24,935				114,314				8,204,530				8,318,844
Commercial construction			-				-				-				-				-				571,073				571,073
Residential real estate			9,660				-				769				3,846				14,275				1,188,264				1,202,539
Consumer			-				-				-				-				-				1,801				1,801
Total		$	95,155			$	-			$	7,960			$	41,579			$	144,694			$	11,594,399			$	11,739,093

		December 31, 2025
		30-59 Days Past Due				60-89 Days Past Due				90 Days or Greater Past Due and Still Accruing				Nonaccrual				Total Past Due and Nonaccrual				Current				Gross Loans
		(dollars in thousands)
Commercial		$	875			$	539			$	427			$	13,039			$	14,880			$	1,551,083			$	1,565,963
Commercial real estate			13,602				6,098				16,276				28,561				64,537				7,990,159				8,054,696
Commercial construction			-				-				-				-				-				623,902				623,902
Residential real estate			7,405				1,372				769				4,315				13,861				1,197,119				1,210,980
Consumer			-				-				-				-				-				2,017				2,017
Total		$	21,882			$	8,009			$	17,472			$	45,915			$	93,278			$	11,364,280			$	11,457,558

Schedule of Evaluation of Impairment on Financing Receivables [Table Text Block]

		March 31, 2026
		Commercial				Commercial real estate				Commercial construction				Residential real estate				Consumer				Total
		(dollars in thousands)
Allowance for credit losses – loans
Individually analyzed		$	314			$	187			$	-			$	-			$	-			$	501
Collectively evaluated			15,291				82,865				4,680				12,253				19				115,108
Acquired with deteriorated credit quality			584				36,748				-				115				-				37,447
Total		$	16,189			$	119,800			$	4,680			$	12,368			$	19			$	153,056

Gross loans
Individually analyzed		$	11,885			$	24,522			$	-			$	3,212			$	-			$	39,619
Collectively evaluated			1,628,334				8,093,175				571,073				1,197,470				1,801				11,491,853
Acquired with deteriorated credit quality			4,617				201,147				-				1,857				-				207,621
Total		$	1,644,836			$	8,318,844			$	571,073			$	1,202,539			$	1,801			$	11,739,093

		December 31, 2025
		Commercial				Commercial real estate				Commercial construction				Residential real estate				Consumer				Total
		(dollars in thousands)
Allowance for credit losses – loans
Individually analyzed		$	314			$	125			$	-			$	-			$	-			$	439
Collectively evaluated			15,392				79,046				5,303				12,084				18				111,843
Acquired with deteriorated credit quality			(348	)			42,256				-				115				-				42,023
Total		$	15,358			$	121,427			$	5,303			$	12,199			$	18			$	154,305

Gross loans
Individually analyzed		$	12,184			$	28,354			$	-			$	3,675			$	-			$	44,213
Collectively evaluated			1,548,381				7,812,572				623,902				1,205,343				2,017				11,192,215
Acquired with deteriorated credit quality			5,398				213,770				-				1,962				-				221,130
Total		$	1,565,963			$	8,054,696			$	623,902			$	1,210,980			$	2,017			$	11,457,558

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		Three Months Ended March 31, 2026
		Commercial				Commercial real estate				Commercial construction				Residential real estate				Consumer				Total
		(dollars in thousands)
Balance as of December 31, 2025		$	15,358			$	121,427			$	5,303			$	12,199			$	18			$	154,305
Charge-offs:
Non-PCD Loans			(476	)			(2,282	)			-				-				-				(2,758	)
PCD Loans			-				(4,365	)			-				-				-				(4,365	)
Recoveries			430				21				-				16				-				467
Provision for credit losses - loans:
Operating provision for credit losses			759				5,327				(623	)			153				1				5,617
Nonaccretable credit marks on PCD loans			118				(328	)			-				-				-				(210	)
Balance as of March 31, 2026		$	16,189			$	119,800			$	4,680			$	12,368			$	19			$	153,056

		Three Months Ended March 31, 2025
		Commercial				Commercial real estate				Commercial construction				Residential real estate				Consumer				Total
		(dollars in thousands)
Balance as of December 31, 2024		$	18,278			$	54,777			$	5,064			$	4,561			$	5			$	82,685
Charge-offs			-				(3,555	)			-				-				-				(3,555	)
Recoveries			155				-				-				-				-				155
(Reversal of) provision for credit losses – loans			(402	)			3,364				(34	)			191				(1	)			3,118
Balance as of March 31, 2025		$	18,031			$	54,586			$	5,030			$	4,752			$	4			$	82,403

Financing Receivable, Modified [Table Text Block]

		*Amortized Cost Basis*
		Term Extension				Payment Deferral				Interest Rate Reduction				Total				Gross Loans at March 31, 2026				Modification % (Modified Loans/Gross Loans)
March 31, 2026
(dollars in thousands)
Commercial		$	8,311			$	2,849			$	599			$	11,759			$	1,644,836				0.71	%
Commercial real estate			29,694				-				-				29,694				8,318,844				0.36
Commercial construction			-				-				-				-				571,073				-
Residential real estate			-				-				-				-				1,202,539				-
Consumer			-				-				-				-				1,801				-
Total		$	38,005			$	2,849			$	599			$	41,453			$	11,739,093				0.35	%

		Weighted Average Term Extension (Months)				Weighted Average Payment Deferral (Months)				Weighted Average Interest Rate Reduction				Weighted Average Payment Reduction
March 31, 2026
(dollars in thousands)
Commercial			4				2				2.0	%			-
Commercial real estate			120				-				-				-
Total			124				2				2.0	%			-

Financing Receivable, Modified, Past Due [Table Text Block]

		Current				30-89 Days Past Due				90 Days or Greater Past Due
March 31, 2026
(dollars in thousands)
Commercial		$	18,372			$	-			$	-
Commercial real estate			29,694				3,687				-
Commercial construction			8,244				-				-
Total		$	56,310			$	3,687			$	-

Schedule of Allowance for Credit Losses on Unfunded Commitments [Table Text Block]

		Three Months Ended				Three Months Ended
		March 31,				March 31,
		2026				2025
		(dollars in thousands)
Balance at beginning of period		$	3,108			$	2,627
(Reversal of) provision for credit losses – unfunded commitments			(207	)			382
Balance at end of period		$	2,901			$	3,009

Schedule of Provision for (Reversal of) Credit Losses [Table Text Block]

		Three Months Ended				Three Months Ended
		March 31,				March 31,
		2026				2025
		(dollars in thousands)
Provision for credit losses – loans		$	5,617			$	3,118
Release of nonaccretable marks due to improvements in expected cash flows			(210	)			-
(Reversal of) provision for credit losses - unfunded commitments			(207	)			382
Provision for credit losses		$	5,200			$	3,500