Note 8 - Loans (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	March 31, 2024			December 31, 2023
	(In thousands)
Commercial loans	$	3,132,580		$	3,305,048
Construction loans		382,775			422,647
Commercial real estate loans		9,821,807			9,729,581
Residential mortgage loans		5,841,846			5,838,747
Equity lines		245,222			245,919
Installment and other loans		5,166			6,198
Gross loans	$	19,429,396		$	19,548,140
Allowance for loan losses		(154,589	)		(154,562	)
Unamortized deferred loan fees, net		(11,737	)		(10,720	)
Total loans held for investment, net	$	19,263,070		$	19,382,858
Loans held for sale	$	23,171		$	—

Schedule of Nonaccrual Loans and Related Allowance and Charge Off [Table Text Block]

	March 31, 2024
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	16,329	$	4,492	$	—
Construction loans		22,998		22,998		—
Commercial real estate loans		59,261		47,465		—
Residential mortgage loans and equity lines		13,500		13,002		—
Subtotal	$	112,088	$	87,957	$	—
With allocated allowance:
Commercial loans	$	10,753	$	10,150	$	5,100
Subtotal	$	10,753	$	10,150	$	5,100
Total non-accrual loans	$	122,841	$	98,107	$	5,100

	December 31, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	26,310	$	14,404	$	—
Construction loans		7,736		7,736		—
Commercial real estate loans		41,725		32,030		—
Residential mortgage loans and equity lines		12,957		12,511		—
Subtotal	$	88,728	$	66,681	$	—
Total non-accrual loans	$	88,728	$	66,681	$	—

Financing Receivable, Nonaccrual [Table Text Block]

	Three Months Ended
	March 31, 2024
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	15,097	$	3
Construction loans		28,099		—
Commercial real estate loans		43,871		48
Residential mortgage loans and equity lines		14,169		—
Total non-accrual loans	$	101,236	$	51

	Three Months Ended
	March 31, 2023
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	23,395	$	4
Commercial real estate loans		36,214		231
Residential mortgage loans and equity lines		9,965		—
Installment and other loans		3		—
Total non-accrual loans	$	69,577	$	235

Financing Receivable, Past Due [Table Text Block]

	March 31, 2024
	Accruing
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	25,777	$	21,857	$	6,060	$	14,642	$	68,336	$	3,064,244	$	3,132,580
Construction loans		—		—		—		22,998		22,998		359,777		382,775
Commercial real estate loans		25,684		13,803		1,500		47,465		88,452		9,733,355		9,821,807
Residential mortgage loans and equity lines		61,403		671		—		13,002		75,076		6,011,992		6,087,068
Installment and other loans		—		—		—		—		—		5,166		5,166
Total loans	$	112,864	$	36,331	$	7,560	$	98,107	$	254,862	$	19,174,534	$	19,429,396

	December 31, 2023
	Accruing
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	11,771	$	7,770	$	508	$	14,404	$	34,453	$	3,270,595	$	3,305,048
Construction loans		25,389		22,998		—		7,736		56,123		366,524		422,647
Commercial real estate loans		27,900		1,503		6,649		32,030		68,082		9,661,499		9,729,581
Residential mortgage loans and equity lines		59,606		6,670		—		12,511		78,787		6,005,879		6,084,666
Installment and other loans		32		—		—		—		32		6,166		6,198
Total loans	$	124,698	$	38,941	$	7,157	$	66,681	$	237,477	$	19,310,663	$	19,548,140

Financing Receivable, Modified, Amortized Cost [Table Text Block]

	Three Months Ended March 31, 2024									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	—	$	2,529	$	2,529		0.08	%		1.12		2.20		0.90
Residential mortgage loans		222		—		222		0.00	%		0.12		0.00		2.00
Total	$	222	$	2,529	$	2,751

Financing Receivable, Modified, Performance [Table Text Block]

	Three Months Ended March 31, 2024
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	—	$	—	$	2,529	$	2,529
Residential mortgage loans		—		—		222		222
Total	$	—	$	—	$	2,751	$	2,751

Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year [Table Text Block]

	Loans Amortized Cost Basis by Origination Year
March 31, 2024	2024		2023		2022		2021		2020		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	112,388	$	363,390	$	288,235	$	285,412	$	71,446	$	141,867	$	1,670,791	$	8,632	$	2,942,161
Special Mention		—		—		9,791		15,092		23,013		—		63,531		50		111,477
Substandard		—		5,984		510		10,528		2,453		6,463		48,262		176		74,376
Total	$	112,388	$	369,374	$	298,536	$	311,032	$	96,912	$	148,330	$	1,782,584	$	8,858	$	3,128,014
YTD gross write-offs	$	—	$	193	$	342	$	196	$	98	$	40	$	1,070	$	—	$	1,939
Construction loans
Pass/Watch	$	—	$	34,582	$	138,347	$	124,103	$	19,592	$	13,613	$	—	$	—	$	330,237
Special Mention		—		2,990		—		—		25,421		—		—		—		28,411
Substandard		—		—		—		—		—		22,998		—		—		22,998
Total	$	—	$	37,572	$	138,347	$	124,103	$	45,013	$	36,611	$	—	$	—	$	381,646
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate loans
Pass/Watch	$	326,264	$	2,121,324	$	1,926,019	$	1,565,519	$	874,626	$	2,605,759	$	160,035	$	—	$	9,579,546
Special Mention		488		23,587		16,213		40,453		1,407		19,526		1,380		—		103,054
Substandard		—		11,187		14,422		11,764		2,965		90,710		664		—		131,712
Total	$	326,752	$	2,156,098	$	1,956,654	$	1,617,736	$	878,998	$	2,715,995	$	162,079	$	—	$	9,814,312
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	251	$	—	$	—	$	251
Residential mortgage loans
Pass/Watch	$	180,962	$	1,109,711	$	1,106,601	$	884,987	$	506,331	$	2,034,462	$	—	$	—	$	5,823,054
Special Mention		—		—		—		—		340		6,101		—		—		6,441
Substandard		—		26		12		1,289		3,356		8,251		—		—		12,934
Total	$	180,962	$	1,109,737	$	1,106,613	$	886,276	$	510,027	$	2,048,814	$	—	$	—	$	5,842,429
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	—	$	92	$	—	$	—	$	—	$	227,752	$	16,374	$	244,218
Substandard		—		—		—		—		—		—		1,794		172		1,966
Total	$	—	$	—	$	92	$	—	$	—	$	—	$	229,546	$	16,546	$	246,184
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	3	$	3
Installment and other loans
Pass/Watch	$	879	$	4,027	$	166	$	2	$	—	$	—	$	—	$	—	$	5,074
Total	$	879	$	4,027	$	166	$	2	$	—	$	—	$	—	$	—	$	5,074
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total loans	$	620,981	$	3,676,808	$	3,500,408	$	2,939,149	$	1,530,950	$	4,949,750	$	2,174,209	$	25,404	$	19,417,659
Total YTD gross write-offs	$	—	$	193	$	342	$	196	$	98	$	291	$	1,070	$	3	$	2,193

	Loans Amortized Cost Basis by Origination Year
December 31, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	381,705	$	323,939	$	326,650	$	96,725	$	75,281	$	136,162	$	1,775,162	$	8,308	$	3,123,932
Special Mention		4,488		4,875		8,559		23,380		—		—		75,419		—		116,721
Substandard		1,752		653		9,895		2,462		763		5,775		40,131		116		61,547
Total	$	387,945	$	329,467	$	345,104	$	122,567	$	76,044	$	141,937	$	1,890,712	$	8,424	$	3,302,200
YTD gross write-offs	$	—	$	977	$	1,312	$	384	$	3,672	$	6,044	$	1,520	$	—	$	13,909
Construction loans
Pass/Watch	$	29,550	$	131,984	$	153,977	$	19,461	$	13,298	$	3,131	$	—	$	—	$	351,401
Special Mention		1,911		—		11,707		25,389		—		22,998		—		—		62,005
Substandard		—		—		—		—		7,736		—		—		—		7,736
Total	$	31,461	$	131,984	$	165,684	$	44,850	$	21,034	$	26,129	$	—	$	—	$	421,142
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	4,221	$	—	$	—	$	4,221
Commercial real estate loans
Pass/Watch	$	2,121,489	$	1,959,239	$	1,585,010	$	887,508	$	1,019,952	$	1,726,015	$	184,601	$	—	$	9,483,814
Special Mention		37,604		18,910		38,405		3,499		10,303		17,210		1,384		—		127,315
Substandard		—		11,870		12,170		2,965		17,293		66,205		—		—		110,503
Total	$	2,159,093	$	1,990,019	$	1,635,585	$	893,972	$	1,047,548	$	1,809,430	$	185,985	$	—	$	9,721,632
YTD gross write-offs	$	—	$	—	$	208	$	—	$	969	$	4,164	$	—	$	—	$	5,341
Residential mortgage loans
Pass/Watch	$	1,140,998	$	1,128,526	$	902,613	$	524,315	$	541,005	$	1,583,118	$	—	$	—	$	5,820,575
Special Mention		—		—		—		33		—		1,619		—		—		1,652
Substandard		7		652		3,325		2,577		1,334		9,311		—		—		17,206
Total	$	1,141,005	$	1,129,178	$	905,938	$	526,925	$	542,339	$	1,594,048	$	—	$	—	$	5,839,433
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	98	$	—	$	—	$	—	$	—	$	227,502	$	16,628	$	244,228
Special Mention		—		3		—		—		—		—		—		—		3
Substandard		—		—		—		—		—		—		2,511		173		2,684
Total	$	—	$	101	$	—	$	—	$	—	$	—	$	230,013	$	16,801	$	246,915
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	5,114	$	981	$	3	$	—	$	—	$	—	$	—	$	—	$	6,098
Total	$	5,114	$	981	$	3	$	—	$	—	$	—	$	—	$	—	$	6,098
YTD gross write-offs	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	3,724,618	$	3,581,730	$	3,052,314	$	1,588,314	$	1,686,965	$	3,571,544	$	2,306,710	$	25,225	$	19,537,420
Total YTD gross write-offs	$	—	$	992	$	1,520	$	384	$	4,641	$	14,429	$	1,520	$	—	$	23,486

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

									Residential
						Commercial			Mortgage Loans			Installment
	Commercial			Construction		Real Estate			and			and Other
	Loans			Loans		Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2023 Ending Balance	$	53,791		$	8,180	$	74,428		$	18,140		$	23		$	154,562
(Reversal)/provision for expected credit losses		(1,374	)		359		2,872			(677	)		(13	)		1,167
Charge-offs		(1,939	)		—		(251	)		(3	)		—			(2,193	)
Recoveries		812			—		—			241			—			1,053
Net (charge-offs)/recoveries		(1,127	)		—		(251	)		238			—			(1,140	)
March 31, 2024 Ending Balance	$	51,290		$	8,539	$	77,049		$	17,701		$	10		$	154,589
Allowance for unfunded credit commitments:
December 31, 2023 Ending Balance	$	6,888		$	2,165	$	—		$	—		$	—		$	9,053
Provision for expected credit losses		572			161		—			—			—			733
March 31, 2024 Ending Balance	$	7,460		$	2,326	$	—		$	—		$	—		$	9,786

									Residential
						Commercial			Mortgage Loans			Installment
	Commercial			Construction		Real Estate			and			and Other
	Loans			Loans		Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2022 Ending Balance	$	49,435		$	10,417	$	68,366		$	18,232		$	35		$	146,485
(Reversal)/provision for expected credit losses		(60	)		483		3,463			(611	)		(20	)		3,255
Charge-offs		(3,911	)		—		(3,990	)		—			(6	)		(7,907	)
Recoveries		511			—		2,528			12			—			3,051
Net (charge-offs)/recoveries		(3,400	)		—		(1,462	)		12			(6	)		(4,856	)
March 31, 2023 Ending Balance	$	45,975		$	10,900	$	70,367		$	17,633		$	9		$	144,884
Allowance for unfunded credit commitments:
December 31, 2022 Ending Balance	$	4,840		$	3,890	$	—		$	—		$	—		$	8,730
Provision for expected credit losses		3,435			1,325		85			—			—			4,845
March 31, 2023 Ending Balance	$	8,275		$	5,215	$	85		$	—		$	—		$	13,575