Note 9 - Loans (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	June 30, 2023			December 31, 2022
	(In thousands)
Commercial loans	$	3,317,868		$	3,318,778
Real estate construction loans		521,673			559,372
Commercial mortgage loans		9,293,475			8,793,685
Residential mortgage loans		5,542,466			5,252,952
Equity lines		272,055			324,548
Installment and other loans		5,257			4,689
Gross loans	$	18,952,794		$	18,254,024
Allowance for loan losses		(155,109	)		(146,485	)
Unamortized deferred loan fees, net		(9,497	)		(6,641	)
Total loans, net	$	18,788,188		$	18,100,898

Financing Receivable, Nonaccrual [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30, 2023				June 30, 2023
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	20,518	$	4	$	21,948	$	7
Real estate construction loans		—		—		—		—
Commercial mortgage loans		39,069		166		37,650		397
Residential mortgage loans and equity lines		11,741		—		10,858		—
Installment and other loans		—		—		1		—
Total non-accrual loans	$	71,328	$	170	$	70,457	$	404

	Three Months Ended				Six Months Ended
	June 30, 2022				June 30, 2022
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	31,919	$	—	$	29,648	$	—
Real estate construction loans		—		—		—		—
Commercial mortgage loans		30,073		126		33,969		317
Residential mortgage loans and equity lines		15,284		7		13,870		14
Installment and other loans		43		—		22		—
Total non-accrual loans	$	77,319	$	133	$	77,509	$	331

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

	June 30, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	17,132	$	4,598	$	—
Commercial mortgage loans		49,759		39,558		—
Residential mortgage loans and equity lines		12,618		11,872		—
Subtotal	$	79,509	$	56,028	$	—
With allocated allowance:
Commercial loans	$	14,296	$	12,976	$	5,664
Subtotal	$	14,296	$	12,976	$	5,664
Total non-accrual loans	$	93,805	$	69,004	$	5,664

	December 31, 2022
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,341	$	12,949	$	—
Commercial mortgage loans		37,697		32,205		—
Residential mortgage loans and equity lines		9,626		8,978		—
Installment and other loans		9		8		—
Subtotal	$	74,673	$	54,140	$	—
With allocated allowance:
Commercial loans	$	14,643	$	12,823	$	3,734
Commercial mortgage loans		1,896		1,891		207
Subtotal	$	16,539	$	14,714	$	3,941
Total non-accrual loans	$	91,212	$	68,854	$	3,941

Financing Receivable, Past Due [Table Text Block]

	June 30, 2023
	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	$	1,767	$	1,033	$	194	$	17,574	$	20,568	$	3,297,300	$	3,317,868
Real estate construction loans		9,255		—		—		—		9,255		512,418		521,673
Commercial mortgage loans		1,591		3,793		5,774		39,558		50,716		9,242,759		9,293,475
Residential mortgage loans and equity lines		1,854		7,701		—		11,872		21,427		5,793,094		5,814,521
Installment and other loans		—		8		—		—		8		5,249		5,257
Total loans	$	14,467	$	12,535	$	5,968	$	69,004	$	101,974	$	18,850,820	$	18,952,794

	December 31, 2022
	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	$	8,192	$	3,235	$	10,208	$	25,772	$	47,407	$	3,271,371	$	3,318,778
Real estate construction loans		—		—		—		—		—		559,372		559,372
Commercial mortgage loans		25,772		—		1,372		34,096		61,240		8,732,445		8,793,685
Residential mortgage loans and equity lines		47,043		5,685		—		8,978		61,706		5,515,794		5,577,500
Installment and other loans		5		1		—		8		14		4,675		4,689
Total loans	$	81,012	$	8,921	$	11,580	$	68,854	$	170,367	$	18,083,657	$	18,254,024

Schedule Of Troubled Debt Restructurings [Table Text Block]

	Three Months Ended June 30, 2022								June 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		—	$	—	$	—	$	—	$	—
Residential mortgage loans and equity lines		1		374		374		—		3
Total		1	$	374	$	374	$	—	$	3

	Six Months Ended June 30, 2022								June 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		4	$	6,115	$	6,115	$	—	$	2,566
Residential mortgage loans and equity lines		4		720		720		—		4
Total		8	$	6,835	$	6,835	$	—	$	2,570

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

	June 30, 2023
	Term Extension/ Payment Deferral		% of Total Loan Type			Rate Reduction		% of Total Loan Type			Rate Reduction and Payment Deferral		% of Total Loan Type			Total		% of Total Loan Type
	(In thousands)
Loan Type
Commercial loans	$	—		0.00	%	$	—		0.00	%	$	126		0.00	%	$	126		0.00	%
Total	$	—				$	—				$	126				$	126

	June 30, 2023											Financial Effects of Loan Modifications
	Term Extension/ Payment Deferral		Rate Reduction		Rate Reduction and Term Extension/ Payment Deferral		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	$	—	$	—	$	126	$	126		0.00	%		3.25		0.75		0.25
Total	$	—	$	—	$	126	$	126

Financing Receivable, Modified, Performance [Table Text Block]

	Three months ended 6/30/2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	126	$	—	$	—	$	126
Total	$	126	$	—	$	—	$	126

	Six months ended 6/30/2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	126	$	—	$	—	$	126
Total	$	126	$	—	$	—	$	126

Financing Receivable, Modified [Table Text Block]

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs:
Commercial loans	$	2,588	$	—	$	—	$	2,588
Commercial mortgage loans		2,791		—		5,855		8,646
Residential mortgage loans		2,181		445		1,285		3,911
Total accruing TDRs	$	7,560	$	445	$	7,140	$	15,145

Non Accrual Troubled Debt Restructurings [Table Text Block]

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs:
Commercial loans	$	3,629	$	—	$	—	$	3,629
Commercial mortgage loans		1,098		—		—		1,098
Residential mortgage loans		1,621		—		—		1,621
Total non-accrual TDRs	$	6,348	$	—	$	—	$	6,348

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

	Loans Amortized Cost Basis by Origination Year
June 30, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	188,200	$	415,771	$	393,243	$	156,101	$	97,152	$	177,860	$	1,764,173	$	5,053	$	3,197,553
Special Mention		1,826		2,917		3,829		2,536		—		2,782		60,040		—		73,930
Substandard		176		365		12,035		67		1,191		5,817		24,264		319		44,234
Total	$	190,202	$	419,053	$	409,107	$	158,704	$	98,343	$	186,459	$	1,848,477	$	5,372	$	3,315,717
YTD gross write-offs	$	—	$	252	$	760	$	194	$	3,255	$	1,791	$	11	$	—	$	6,263
Real estate construction loans
Pass/Watch	$	17,334	$	100,659	$	239,665	$	93,512	$	10,464	$	3,072	$	—	$	—	$	464,706
Special Mention		1,137		—		—		—		19,639		22,998		—		—		43,774
Substandard		—		—		—		—		1,736		9,255		—		—		10,991
Total	$	18,471	$	100,659	$	239,665	$	93,512	$	31,839	$	35,325	$	—	$	—	$	519,471
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	1,146,281	$	2,065,253	$	1,672,273	$	936,526	$	1,052,485	$	1,975,795	$	179,848	$	—	$	9,028,461
Special Mention		21,063		1,685		16,038		25,501		24,674		50,593		800		—		140,354
Substandard		—		12,988		12,285		1,736		20,130		67,838		2,669		—		117,646
Total	$	1,167,344	$	2,079,926	$	1,700,596	$	963,763	$	1,097,289	$	2,094,226	$	183,317	$	—	$	9,286,461
YTD gross write-offs	$	—	$	—	$	207	$	—	$	—	$	3,913	$	—	$	—	$	4,120
Residential mortgage loans
Pass/Watch	$	563,858	$	1,167,709	$	936,487	$	554,275	$	570,881	$	1,729,482	$	—	$	—	$	5,522,692
Special Mention		—		—		—		33		—		1,639		—		—		1,672
Substandard		—		470		441		3,696		2,139		12,275		—		—		19,021
Total	$	563,858	$	1,168,179	$	936,928	$	558,004	$	573,020	$	1,743,396	$	—	$	—	$	5,543,385
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	115	$	—	$	—	$	—	$	—	$	252,786	$	18,765	$	271,666
Special Mention		—		—		—		—		—		—		1		—		1
Substandard		—		—		—		—		—		—		1,266		187		1,453
Total	$	—	$	115	$	—	$	—	$	—	$	—	$	254,053	$	18,952	$	273,120
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	299	$	2,203	$	2,633	$	—	$	—	$	—	$	—	$	—	$	5,135
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		8		—		—		—		—		—		—		8
Total	$	299	$	2,211	$	2,633	$	—	$	—	$	—	$	—	$	—	$	5,143
YTD gross write-offs	$	—	$	7	$	—	$	—	$	—	$	—	$	—	$	—	$	7
Total loans	$	1,940,174	$	3,770,143	$	3,288,929	$	1,773,983	$	1,800,491	$	4,059,406	$	2,285,847	$	24,324	$	18,943,297
Total YTD gross write-offs	$	—	$	259	$	967	$	194	$	3,255	$	5,704	$	11	$	—	$	10,390

	Loans Amortized Cost Basis by Origination Year
December 31, 2022	2022		2021		2020		2019		2018		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	488,748	$	446,647	$	180,226	$	119,355	$	107,896	$	106,649	$	1,753,509	$	6,560	$	3,209,590
Special Mention		1,212		4,696		2,818		68		308		4,354		41,110		—		54,566
Substandard		25		12,750		342		4,859		2,766		6,985		22,084		133		49,944
Doubtful		—		—		—		1,504		2,185		—		234		—		3,923
Total	$	489,985	$	464,093	$	183,386	$	125,786	$	113,155	$	117,988	$	1,816,937	$	6,693	$	3,318,023
YTD gross write-offs	$	96	$	587	$	120	$	71	$	1,786	$	360	$	202	$	—	$	3,222
Real estate construction loans
Pass/Watch	$	99,798	$	264,197	$	113,312	$	20,479	$	3,067	$	—	$	—	$	—	$	500,853
Special Mention		—		360		9,449		11,643		22,945		—		—		—		44,397
Substandard		—		—		—		1,736		9,309		—		—		—		11,045
Total	$	99,798	$	264,557	$	122,761	$	33,858	$	35,321	$	—	$	—	$	—	$	556,295
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	2,087,650	$	1,728,607	$	975,953	$	1,094,505	$	908,748	$	1,420,982	$	178,116	$	—	$	8,394,561
Special Mention		22,150		57,015		25,593		32,119		17,999		63,782		1,600		—		220,258
Substandard		12,320		7,861		14,392		19,972		34,899		81,844		2,631		—		173,919
Total	$	2,122,120	$	1,793,483	$	1,015,938	$	1,146,596	$	961,646	$	1,566,608	$	182,347	$	—	$	8,788,738
YTD gross write-offs	$	—	$	—	$	—	$	—	$	2,091	$	—	$	—	$	—	$	2,091
Residential mortgage loans
Pass/Watch	$	1,228,391	$	964,799	$	580,990	$	600,786	$	417,565	$	1,444,320	$	—	$	—	$	5,236,851
Special Mention		—		—		33		—		752		905		—		—		1,690
Substandard		206		762		2,028		1,966		1,799		8,785		—		—		15,546
Total	$	1,228,597	$	965,561	$	583,051	$	602,752	$	420,116	$	1,454,010	$	—	$	—	$	5,254,087
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	731	$	—	$	—	$	—	$	—	$	—	$	302,825	$	21,460	$	325,016
Special Mention		5		—		—		—		—		—		—		—		5
Substandard		12		—		—		—		—		—		1,043		220		1,275
Total	$	748	$	—	$	—	$	—	$	—	$	—	$	303,868	$	21,680	$	326,296
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
YTD gross write-offs	$	115	$	—	$	—	$	—	$	—	$	—	$	62	$	—	$	177
Total loans	$	3,943,040	$	3,489,846	$	1,905,136	$	1,908,992	$	1,530,238	$	3,138,606	$	2,303,152	$	28,373	$	18,247,383
Total YTD gross write-offs	$	211	$	587	$	120	$	71	$	3,877	$	360	$	264	$	—	$	5,490

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

Three months ended June 30, 2023 and 2022
										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
March 31, 2023 Ending Balance	$	45,975		$	10,900		$	70,367		$	17,633	$	9		$	144,884
Provision for expected credit losses		6,514			1,851			3,249			581		10			12,205
Charge-offs		(2,352	)		—			(130	)		—		(1	)		(2,483	)
Recoveries		442			—			61			—		—			503
Net charge-offs		(1,910	)		—			(69	)		—		(1	)		(1,980	)
June 30, 2023 Ending Balance	$	50,579		$	12,751		$	73,547		$	18,214	$	18		$	155,109
Allowance for unfunded credit commitments:
March 31, 2023 Ending Balance	$	8,275		$	5,215		$	85		$	—	$	—		$	13,575
Reversal for expected credit losses		(1,291	)		(1,674	)		(85	)		—		—			(3,050	)
June 30, 2023 Ending Balance	$	6,984		$	3,541		$	—		$	—	$	—		$	10,525

									Residential
				Real Estate			Commercial		Mortgage Loans			Installment
	Commercial			Construction			Mortgage		and			and Other
	Loans			Loans			Loans		Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
March 31, 2022 Ending Balance	$	44,738		$	7,436		$	63,878	$	29,630		$	104		$	145,786
Provision/(reversal) for expected credit losses		4,208			(160	)		4,634		(5,945	)		31			2,768
Charge-offs		(50	)		—			—		—			(1	)		(51	)
Recoveries		175			—			88		6			—			269
Net (charge-offs)/recoveries		125			—			88		6			(1	)		218
June 30, 2022 Ending Balance	$	49,071		$	7,276		$	68,600	$	23,691		$	134		$	148,772
Allowance for unfunded credit commitments:
March 31, 2022 Ending Balance	$	3,177		$	3,227		$	—	$	—		$	—		$	6,404
(Reversal)/Provision for expected credit losses		(373	)		79			26		—			—			(268	)
June 30, 2022 Ending Balance	$	2,804		$	3,306		$	26	$	—		$	—		$	6,136

Six months ended June 30, 2023 and 2022
										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
January 1, 2023 Beginning Balance	$	49,435		$	10,417		$	68,366		$	18,232		$	35		$	146,485
Provision/(reversal) for expected credit losses		6,454			2,334			6,712			(30	)		(10	)		15,460
Charge-offs		(6,263	)		—			(4,120	)		—			(7	)		(10,390	)
Recoveries		953			—			2,589			12			—			3,554
Net (charge-offs)/recoveries		(5,310	)		—			(1,531	)		12			(7	)		(6,836	)
June 30, 2023 Ending Balance	$	50,579		$	12,751		$	73,547		$	18,214		$	18		$	155,109
Allowance for unfunded credit commitments:
January 1, 2023 Beginning Balance	$	4,840		$	3,890		$	—		$	—		$	—		$	8,730
Provision/(reversal) for expected credit losses		2,144			(349	)		—			—			—			1,795
June 30, 2023 Ending Balance	$	6,984		$	3,541		$	—		$	—		$	—		$	10,525

									Residential
				Real Estate			Commercial		Mortgage Loans			Installment
	Commercial			Construction			Mortgage		and			and Other
	Loans			Loans			Loans		Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
January 1, 2022 Beginning Balance	$	43,394		$	6,302		$	61,081	$	25,379		$	1		$	136,157
Provision/(reversal) for expected credit losses		5,414			968			7,336		(1,745	)		134			12,107
Charge-offs		(271	)		—			—		—			(1	)		(272	)
Recoveries		534			6			183		57			—			780
Net (charge-offs)/recoveries		263			6			183		57			(1	)		508
June 30, 2022 Ending Balance	$	49,071		$	7,276		$	68,600	$	23,691		$	134		$	148,772
Allowance for unfunded credit commitments:
January 1, 2022 Beginning Balance	$	3,725		$	3,375		$	—	$	—		$	—		$	7,100
(Reversal)/provision for expected credit losses		(921	)		(69	)		26		—			—			(964	)
June 30, 2022 Ending Balance	$	2,804		$	3,306		$	26	$	—		$	—		$	6,136