Note 9 - Loans (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	March 31, 2022			December 31, 2021
	(In thousands)
Commercial loans	$	3,125,151		$	2,982,399
Residential mortgage loans		4,834,782			4,182,006
Commercial mortgage loans		8,401,742			8,143,272
Real estate construction loans		631,740			611,031
Equity lines		398,851			419,487
Installment and other loans		6,091			4,284
Gross loans	$	17,398,357		$	16,342,479
Allowance for loan losses		(145,786	)		(136,157	)
Unamortized deferred loan fees, net		(4,679	)		(4,321	)
Total loans, net	$	17,247,892		$	16,202,001

Impaired Financing Receivables [Table Text Block]

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

	Three Months Ended
	March 31, 2021
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,268	$	12
Real estate construction loans		4,229		97
Commercial mortgage loans		40,116		57
Residential mortgage loans and equity lines		8,427		8
Total impaired loans	$	81,040	$	174

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

	March 31, 2022
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	15,898	$	11,304	$	—
Commercial mortgage loans		24,988		21,459		—
Residential mortgage loans and equity lines		5,967		5,750		—
Subtotal	$	46,853	$	38,513	$	—
With allocated allowance
Commercial loans	$	34,167	$	24,978	$	5,293
Commercial mortgage loans		17,760		16,636		3,017
Residential mortgage loans and equity lines		7,256		6,206		30
Subtotal	$	59,183	$	47,820	$	8,340
Total non-accrual loans	$	106,036	$	86,333	$	8,340

	December 31, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	15,879	$	11,342	$	—
Commercial mortgage loans		24,437		21,209		—
Residential mortgage loans and equity lines		6,020		5,850		—
Subtotal	$	46,336	$	38,401	$	—
With allocated allowance
Commercial loans	$	14,294	$	5,217	$	894
Commercial mortgage loans		17,930		16,964		3,631
Residential mortgage loans and equity lines		6,048		5,264		22
Subtotal	$	38,272	$	27,445	$	4,547
Total non-accrual loans	$	84,608	$	65,846	$	4,547

Financing Receivable, Past Due [Table Text Block]

	March 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	$	15,757	$	1,886	$	300	$	36,282	$	54,225	$	3,070,926	$	3,125,151
Real estate construction loans		—		—		—		—		—		631,740		631,740
Commercial mortgage loans		5,582		—		—		38,095		43,677		8,358,065		8,401,742
Residential mortgage loans and equity lines		91,465		1,609		—		11,956		105,030		5,128,603		5,233,633
Installment and other loans		194		—		—		—		194		5,897		6,091
Total loans	$	112,998	$	3,495	$	300	$	86,333	$	203,126	$	17,195,231	$	17,398,357

	December 31, 2021
	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	$	4,294	$	9,877	$	1,439	$	16,558	$	32,168	$	2,950,231	$	2,982,399
Real estate construction loans		—		—		—		—		—		611,031		611,031
Commercial mortgage loans		8,389		—		—		38,173		46,562		8,096,710		8,143,272
Residential mortgage loans and equity lines		20,129		3,138		—		11,115		34,382		4,567,111		4,601,493
Installment and other loans		—		—		—		—		—		4,284		4,284
Total loans	$	32,812	$	13,015	$	1,439	$	65,846	$	113,112	$	16,229,367	$	16,342,479

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

	Three Months Ended March 31, 2021								March 31, 2021
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		1	$	686	$	686	$	—	$	—
Residential mortgage loans and equity lines		—		—		—		—		—
Total		1	$	686	$	686	$	—	$	—

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

	March 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,262	$	—	$	—	$	3,262
Commercial mortgage loans		—		5,490		604		6,094
Residential mortgage loans		1,796		235		1,607		3,638
Total accruing TDRs	$	5,058	$	5,725	$	2,211	$	12,994

	December 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,368	$	—	$	—	$	3,368
Commercial mortgage loans		438		5,522		168		6,128
Residential mortgage loans		1,464		249		1,628		3,341
Total accruing TDRs	$	5,270	$	5,771	$	1,796	$	12,837

Non Accrual Troubled Debt Restructurings [Table Text Block]

	March 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,713	$	—	$	—	$	13,713
Commercial mortgage loans		—		—		—		—
Residential mortgage loans		439		—		—		439
Total non-accrual TDRs	$	14,152	$	—	$	—	$	14,152

	December 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	7,717	$	—	$	—	$	7,717
Commercial mortgage loans		—		—		—		—
Residential mortgage loans		458		—		—		458
Total non-accrual TDRs	$	8,175	$	—	$	—	$	8,175

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, 2022	2022		2021		2020		2019			2018			Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass/Watch	$	93,686	$	619,275	$	254,961	$	158,130		$	136,244		$	174,985		$	1,554,220		$	8,194		$	2,999,695
Special Mention		—		299		490		2,751			1,582			3,509			39,063			—			47,694
Substandard		—		2,239		4,947		25,023			12,770			6,569			19,231			5,582			76,361
Doubtful		—		—		—		784			—			—			897			—			1,681
Total	$	93,686	$	621,813	$	260,398	$	186,688		$	150,596		$	185,063		$	1,613,411		$	13,776		$	3,125,431
YTD period charge-offs	$	—	$	—	$	120	$	24		$	—		$	—		$	77		$	—		$	221
YTD period recoveries		—		—		—		—			(37	)		(202	)		(120	)		—			(359	)
Net charge-offs/(recoveries)	$	—	$	—	$	120	$	24		$	(37	)	$	(202	)	$	(43	)	$	—		$	(138	)
Real estate construction loans
Pass/Watch	$	32,605	$	231,895	$	180,527	$	83,007		$	24,532		$	—		$	—		$	—		$	552,566
Special Mention		—		—		24,000		31,712			17,870			—			—			—			73,582
Substandard		—		—		—		2,005			—			—			—			—			2,005
Total	$	32,605	$	231,895	$	204,527	$	116,724		$	42,402		$	—		$	—		$	—		$	628,153
YTD period charge-offs	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—		—			—			(6	)		—			—			(6	)
Net charge-offs/(recoveries)	$	—	$	—	$	—	$	—		$	—		$	(6	)	$	—		$	—		$	(6	)
Commercial mortgage loans
Pass/Watch	$	513,830	$	1,956,143	$	1,208,014	$	1,231,764		$	998,977		$	1,918,522		$	201,167		$	—		$	8,028,417
Special Mention		13,242		30,791		10,831		42,978			75,987			73,643			—			—			247,472
Substandard		—		499		—		14,673			28,318			75,172			3,363			—			122,025
Total	$	527,072	$	1,987,433	$	1,218,845	$	1,289,415		$	1,103,282		$	2,067,337		$	204,530		$	—		$	8,397,914
YTD period charge-offs	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—		(60	)		—			(7	)		(28	)		—			(95	)
Net charge-offs/(recoveries)	$	—	$	—	$	—	$	(60	)	$	—		$	(7	)	$	(28	)	$	—		$	(95	)
Residential mortgage loans
Pass/Watch	$	297,480	$	1,032,076	$	649,133	$	679,313		$	484,245		$	1,659,554		$	—		$	—		$	4,801,801
Special Mention		72		303		577		1,568			3,170			14,452			—			—			20,142
Substandard		—		487		1,852		3,218			2,594			6,068			—			—			14,219
Total	$	297,552	$	1,032,866	$	651,562	$	684,099		$	490,009		$	1,680,074		$	—		$	—		$	4,836,162
YTD period charge-offs	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—		—			—			(45	)		—			—			(45	)
Net charge-offs/(recoveries)	$	—	$	—	$	—	$	—		$	—		$	(45	)	$	—		$	—		$	(45	)
Equity lines
Pass/Watch	$	1,339	$	—	$	—	$	—		$	—		$	4		$	370,446		$	27,116		$	398,905
Special Mention		30		—		—		—			—			—			—			—			30
Substandard		—		—		—		—			—			—			2,095			262			2,357
Total	$	1,369	$	—	$	—	$	—		$	—		$	4		$	372,541		$	27,378		$	401,292
YTD period charge-offs	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—		—			—			—			(2	)		(4	)		(6	)
Net charge-offs/(recoveries)	$	—	$	—	$	—	$	—		$	—		$	—		$	(2	)	$	(4	)	$	(6	)
Installment and other loans
Pass/Watch	$	379	$	4,274	$	73	$	—		$	—		$	—		$	—		$	—		$	4,726
Total	$	379	$	4,274	$	73	$	—		$	—		$	—		$	—		$	—		$	4,726
YTD period charge-offs	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—		—			—			—			—			—			—
Net charge-offs/(recoveries)	$	—	$	—	$	—	$	—		$	—		$	—		$	—		$	—		$	—
Total loans	$	952,663	$	3,878,281	$	2,335,405	$	2,276,926		$	1,786,289		$	3,932,478		$	2,190,482		$	41,154		$	17,393,678
Net charge-offs/(recoveries)	$	—	$	—	$	120	$	(36	)	$	(37	)	$	(260	)	$	(73	)	$	(4	)	$	(290	)

	Loans Amortized Cost Basis by Origination Year
December 31, 2021	2021		2020			2019			2018			2017		Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass/Watch	$	606,770	$	268,756		$	183,468		$	142,419		$	80,701	$	100,496		$	1,437,463		$	7,433		$	2,827,506
Special Mention		395		780			1,138			1,645			3,157		—			40,761			49			47,925
Substandard		450		5,879			22,513			16,423			14,309		5,221			34,713			5,716			105,224
Doubtful		—		—			—			—			—		—			900			—			900
Total	$	607,615	$	275,415		$	207,119		$	160,487		$	98,167	$	105,717		$	1,513,837		$	13,198		$	2,981,555
YTD period charge-offs	$	—	$	1,478		$	507		$	366		$	—	$	50		$	17,650		$	—		$	20,051
YTD period recoveries		—		(1	)		(29	)		(124	)		—		(191	)		(1,361	)		—			(1,706	)
Net	$	—	$	1,477		$	478		$	242		$	—	$	(141	)	$	16,289		$	—		$	18,345
Real estate construction loans
Pass/Watch	$	199,188	$	188,782		$	125,316		$	24,548		$	—	$	—		$	—		$	—		$	537,834
Special Mention		—		23,107			27,672			17,374			—		—			—			—			68,153
Substandard		—		—			1,919			—			—		—			—			—			1,919
Total	$	199,188	$	211,889		$	154,907		$	41,922		$	—	$	—		$	—		$	—		$	607,906
YTD period charge-offs	$	—	$	—		$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—			—			—			—		(76	)		—			—			(76	)
Net	$	—	$	—		$	—		$	—		$	—	$	(76	)	$	—		$	—		$	(76	)
Commercial mortgage loans
Pass/Watch	$	1,893,807	$	1,201,825		$	1,253,548		$	1,031,191		$	727,916	$	1,313,882		$	198,869		$	—		$	7,621,038
Special Mention		45,719		59,182			49,796			103,101			61,105		60,448			750			—			380,101
Substandard		1,110		—			13,483			42,803			1,580		76,906			3,297			—			139,179
Total	$	1,940,636	$	1,261,007		$	1,316,827		$	1,177,095		$	790,601	$	1,451,236		$	202,916		$	—		$	8,140,318
YTD period charge-offs	$	—	$	—		$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—			(240	)		—			—		(28	)		(111	)		—			(379	)
Net	$	—	$	—		$	(240	)	$	—		$	—	$	(28	)	$	(111	)	$	—		$	(379	)
Residential mortgage loans
Pass/Watch	$	978,375	$	622,999		$	678,775		$	502,325		$	453,992	$	929,846		$	—		$	—		$	4,166,312
Special Mention		—		46			1,576			1,064			836		438			—			—			3,960
Substandard		1,684		147			2,698			2,574			862		5,255			—			—			13,220
Total	$	980,059	$	623,192		$	683,049		$	505,963		$	455,690	$	935,539		$	—		$	—		$	4,183,492
YTD period charge-offs	$	—	$	—		$	—		$	—		$	3	$	—		$	—		$	—		$	3
YTD period recoveries		—		—			—			—			—		(208	)		—			—			(208	)
Net	$	—	$	—		$	—		$	—		$	3	$	(208	)	$	—		$	—		$	(205	)
Equity lines
Pass/Watch	$	—	$	—		$	—		$	—		$	—	$	5		$	389,069		$	30,025		$	419,099
Substandard		—		—			—			—			—		—			1,230			273			1,503
Total	$	—	$	—		$	—		$	—		$	—	$	5		$	390,299		$	30,298		$	420,602
YTD period charge-offs	$	—	$	—		$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—			—			—			—		—			(10	)		(64	)		(74	)
Net	$	—	$	—		$	—		$	—		$	—	$	—		$	(10	)	$	(64	)	$	(74	)
Installment and other loans
Pass/Watch	$	4,117	$	168		$	—		$	—		$	—	$	—		$	—		$	—		$	4,285
Total	$	4,117	$	168		$	—		$	—		$	—	$	—		$	—		$	—		$	4,285
YTD period charge-offs	$	—	$	—		$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—			—			—			—		—			—			—			—
Net	$	—	$	—		$	—		$	—		$	—	$	—		$	—		$	—		$	—
Total loans	$	3,731,615	$	2,371,671		$	2,361,902		$	1,885,467		$	1,344,458	$	2,492,497		$	2,107,052		$	43,496		$	16,338,158
Net charge-offs/(recoveries)	$	—	$	1,477		$	238		$	242		$	3	$	(453	)	$	16,168		$	(64	)	$	17,611

Financing Receivable, Current, 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:
December 31, 2021 Ending Balance	$	43,394		$	6,302		$	61,081	$	25,379	$	1	$	136,157
Provision/(reversal) for possible credit losses		1,206			1,128			2,702		4,200		103		9,339
Charge-offs		(221	)		—			—		—		—		(221	)
Recoveries		359			6			95		51		—		511
Net (charge-offs)/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:
December 31, 2021 Ending Balance	$	3,725		$	3,375		$	—	$	—	$	—	$	7,100
Provision/(reversal) for possible credit losses		(548	)		(148	)		—		—		—		(696	)
March 31, 2022 Ending Balance	$	3,177		$	3,227		$	—	$	—	$	—	$	6,404

										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:
December 31, 2020 Ending Balance	$	68,742		$	30,854		$	49,205		$	17,737		$	—		$	166,538
Impact of ASU 2016-13 adoption		(31,466	)		(24,307	)		34,993			19,211			9			(1,560	)
January 1, 2021 Beginning Balance		37,276			6,547			84,198			36,948			9			164,978
Provision/(reversal) for possible credit losses		12,627			446			(18,851	)		(6,325	)		(6	)		(12,109	)
Charge-offs		(9,138	)		—			—			—			—			(9,138	)
Recoveries		1,269			—			—			110			—			1,379
Net (charge-offs)/recoveries		(7,869	)		—			—			110			—			(7,759	)
March 31, 2021 Ending Balance	$	42,034		$	6,993		$	65,347		$	30,733		$	3		$	145,110
Allowance for unfunded credit commitments:
December 31, 2021 Ending Balance	$	4,802		$	690		$	101		$	284		$	3		$	5,880
Impact of ASU 2016-13 adoption		3,236			3,135			(66	)		(284	)		(3	)		6,018
January 1, 2021 Beginning Balance		8,038			3,825			35			—			—			11,898
Provision/(reversal) for possible credit losses		125			(1,574	)		—			—			—			(1,449	)
March 31, 2021 Ending Balance	$	8,163		$	2,251		$	35		$	—		$	—		$	10,449