Note 9 - Loans (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

	March 31, 2023			December 31, 2022
	(In thousands)
Commercial loans	$	3,153,039		$	3,318,778
Real estate construction loans		558,967			559,372
Commercial mortgage loans		8,916,766			8,793,685
Residential mortgage loans		5,384,220			5,252,952
Equity lines		298,630			324,548
Installment and other loans		5,717			4,689
Gross loans	$	18,317,339		$	18,254,024
Allowance for loan losses		(144,884	)		(146,485	)
Unamortized deferred loan fees, net		(5,872	)		(6,641	)
Total loans, net	$	18,166,583		$	18,100,898

Impaired Financing Receivables [Table Text Block]

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

	Three Months Ended
	March 31, 2022
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	27,351	$	—
Commercial mortgage loans		37,909		429
Residential mortgage loans and equity lines		12,439		7
Total non-accrual loans	$	77,699	$	436

Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block]

	March 31, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,401	$	10,887	$	—
Commercial mortgage loans		49,927		40,218		—
Residential mortgage loans and equity lines		11,896		11,283		—
Subtotal	$	89,224	$	62,388	$	—
With allocated allowance:
Commercial loans	$	12,511	$	11,192	$	4,258
Commercial mortgage loans		—		—		—
Subtotal	$	12,511	$	11,192	$	4,258
Total non-accrual loans	$	101,735	$	73,580	$	4,258

	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]

	March 31, 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	$	7,623	$	272	$	100	$	22,079	$	30,074	$	3,122,965	$	3,153,039
Real estate construction loans		—		—		—		—		—		558,967		558,967
Commercial mortgage loans		19,870		—		12,656		40,218		72,744		8,844,022		8,916,766
Residential mortgage loans and equity lines.		31,998		—		—		11,283		43,281		5,639,569		5,682,850
Installment and other loans		9		10		—		—		19		5,698		5,717
Total loans	$	59,500	$	282	$	12,756	$	73,580	$	146,118	$	18,171,221	$	18,317,339

	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 March 31, 2022								March 31, 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		2		346		346		—		1
Total		6	$	6,461	$	6,461	$	—	$	2,567

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
March 31, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	62,760	$	462,944	$	436,143	$	161,289	$	99,233	$	191,552	$	1,631,086	$	5,231	$	3,050,238
Special Mention		—		1,212		3,822		2,437		—		3,540		46,123		—		57,134
Substandard		—		59		12,530		285		3,173		6,274		20,823		820		43,964
Doubtful		—		—		—		—		—		1,406		232		—		1,638
Total	$	62,760	$	464,215	$	452,495	$	164,011	$	102,406	$	202,772	$	1,698,264	$	6,051	$	3,152,974
YTD gross writeoffs	$	—	$	164	$	760	$	145	$	2,053	$	778	$	11	$	—	$	3,911
Real estate construction loans
Pass/Watch	$	11,190	$	114,805	$	249,947	$	112,823	$	18,429	$	3,072	$	—	$	—	$	510,266
Special Mention		—		—		491		—		11,903		22,998		—		—		35,392
Substandard		—		—		—		—		1,736		9,266		—		—		11,002
Total	$	11,190	$	114,805	$	250,438	$	112,823	$	32,068	$	35,336	$	—	$	—	$	556,660
YTD gross writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	387,087	$	2,077,494	$	1,715,118	$	958,330	$	1,090,519	$	2,176,822	$	181,831	$	—	$	8,587,201
Special Mention		—		22,150		29,121		25,604		21,038		57,120		—		—		155,033
Substandard		—		12,277		12,361		14,392		19,902		107,434		2,639		—		169,005
Total	$	387,087	$	2,111,921	$	1,756,600	$	998,326	$	1,131,459	$	2,341,376	$	184,470	$	—	$	8,911,239
YTD gross writeoffs	$	—	$	—	$	208	$	—	$	—	$	3,782	$	—	$	—	$	3,990
Residential mortgage loans
Pass/Watch	$	264,586	$	1,195,811	$	950,229	$	570,344	$	586,635	$	1,800,951	$	—	$	—	$	5,368,556
Special Mention		—		459		—		489		678		2,275		—		—		3,901
Substandard		—		204		748		434		1,239		10,186		—		—		12,811
Total	$	264,586	$	1,196,474	$	950,977	$	571,267	$	588,552	$	1,813,412	$	—	$	—	$	5,385,268
YTD gross writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	127	$	—	$	—	$	—	$	—	$	277,548	$	20,217	$	297,892
Special Mention		—		—		—		—		—		—		11		—		11
Substandard		—		—		—		—		—		—		1,627		204		1,831
Total	$	—	$	127	$	—	$	—	$	—	$	—	$	279,186	$	20,421	$	299,734
YTD gross writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	241	$	2,573	$	2,778	$	—	$	—	$	—	$	—	$	—	$	5,592
Total	$	241	$	2,573	$	2,778	$	—	$	—	$	—	$	—	$	—	$	5,592
YTD gross writeoffs	$	—	$	6	$	—	$	—	$	—	$	—	$	—	$	—	$	6
Total loans	$	725,864	$	3,890,115	$	3,413,288	$	1,846,427	$	1,854,485	$	4,392,896	$	2,161,920	$	26,472	$	18,311,467
Total YTD gross wrieoffs	$	—	$	170	$	968	$	145	$	2,053	$	4,560	$	11	$	—	$	7,907

	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 writeoffs	$	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 writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
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 writeoffs	$	—	$	—	$	—	$	—	$	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 writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
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 writeoffs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
YTD gross writeoffs	$	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 wrieoffs	$	211	$	587	$	120	$	71	$	3,877	$	360	$	264	$	—	$	5,490

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

									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
(Reversal)/provision for credit losses on loans		(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:
January 1, 2023 Beginning Balance	$	4,840		$	3,890	$	—		$	—		$	—		$	8,730
Provision for credit losses on unfunded credit commitments		3,435			1,325		85			—			—			4,845
March 31, 2023 Ending Balance	$	8,275		$	5,215	$	85		$	—		$	—		$	13,575

									Residential
				Real Estate			Commercial		Mortgage Loans		Installment
	Commercial			Construction			Mortgage		and		and Other
	Loans			Loans			Loans		Equity Lines		Loans		Total
Allowance for Loan Losses:	(In thousands)
January 1, 2022 Beginning Balance	$	43,394		$	6,302		$	61,081	$	25,379	$	1	$	136,157
Provision for credit losses on loans		1,206			1,128			2,702		4,200		103		9,339
Charge-offs		(221	)		—			—		—		—		(221	)
Recoveries		359			6			95		51		—		511
Net recoveries		138			6			95		51		—		290
March 31, 2022 Ending Balance	$	44,738		$	7,436		$	63,878	$	29,630	$	104	$	145,786
Allowance for unfunded credit commitments:
January 1, 2022 Beginning Balance		3,725			3,375			—		—		—	$	7,100
Reversal for credit losses on unfunded credit commitments		(548	)		(148	)		—		—		—		(696	)
March 31, 2022 Ending Balance	$	3,177		$	3,227		$	—	$	—	$	—	$	6,404