Note 8 - Loans (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	June 30, 2021			December 31, 2020
	(In thousands)
Commercial loans	$	2,867,437		$	2,836,833
Residential mortgage loans		4,103,736			4,145,389
Commercial mortgage loans		7,615,088			7,555,027
Real estate construction loans		664,495			679,492
Equity lines		436,801			424,555
Installment and other loans		3,132			3,100
Gross loans	$	15,690,689		$	15,644,396
Allowance for loan losses		(131,256	)		(166,538	)
Unamortized deferred loan fees, net		(6,865	)		(2,494	)
Total loans, net	$	15,552,568		$	15,475,364

Impaired Financing Receivables [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30, 2021				June 30, 2021
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	24,450	$	31	$	26,348	$	43
Real estate construction loans		4,149		73		4,189		170
Commercial mortgage loans		36,792		100		38,445		157
Residential mortgage loans and equity lines		8,653		8		8,541		16
Total non-accrual loans	$	74,044	$	212	$	77,523	$	386

	Three Months Ended				Six Months Ended
	June 30, 2020				June 30, 2020
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	33,695	$	71	$	30,913	$	95
Real estate construction loans		4,458		49		4,482		147
Commercial mortgage loans		36,225		375		36,225		824
Residential mortgage loans and equity lines		17,724		78		14,547		149
Total impaired loans	$	92,102	$	573	$	86,167	$	1,215

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

	June 30, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	26,552	$	14,253	$	—
Real estate construction loans		5,776		4,116		—
Commercial mortgage loans		20,774		20,003		—
Residential mortgage loans and equity lines		7,096		6,921		—
Subtotal	$	60,198	$	45,293	$	—
With allocated allowance
Commercial loans	$	2,309	$	2,080	$	22
Commercial mortgage loans		16,976		16,881		5,139
Residential mortgage loans and equity lines		3,996		3,528		—
Subtotal	$	23,281	$	22,489	$	5,161
Total non-accrual loans	$	83,479	$	67,782	$	5,161

	December 31, 2020
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	23,784	$	20,698	$	—
Real estate construction loans		5,776		4,286		—
Commercial mortgage loans		22,877		22,287		—
Residential mortgage loans and equity lines		6,379		6,307		—
Subtotal	$	58,816	$	53,578	$	—
With allocated allowance
Commercial loans	$	13,703	$	6,372	$	1,030
Commercial mortgage loans		31,134		31,003		5,254
Residential mortgage loans and equity lines		5,005		4,452		145
Subtotal	$	49,842	$	41,827	$	6,429
Total impaired loans	$	108,658	$	95,405	$	6,429

Financing Receivable, Past Due [Table Text Block]

	June 30, 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)
Commercial loans	$	17,010	$	599	$	1,249	$	16,333	$	35,191	$	2,832,246	$	2,867,437
Real estate construction loans		—		—		—		4,116		4,116		660,379		664,495
Commercial mortgage loans		228		—		—		36,884		37,112		7,577,976		7,615,088
Residential mortgage loans and equity lines		588		2,300		264		10,449		13,601		4,526,936		4,540,537
Installment and other loans		1,000		—		—		—		1,000		2,132		3,132
Total loans	$	18,826	$	2,899	$	1,513	$	67,782	$	91,020	$	15,599,669	$	15,690,689

	December 31, 2020
	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)
Commercial loans	$	52,601	$	3,182	$	2,947	$	23,087	$	81,817	$	2,755,016	$	2,836,833
Real estate construction loans		6,257		—		—		4,286		10,543		668,949		679,492
Commercial mortgage loans		45,186		18,069		2,035		33,715		99,005		7,456,022		7,555,027
Residential mortgage loans and equity lines		14,315		4,223		—		6,596		25,134		4,544,810		4,569,944
Installment and other loans		43		—		—		—		43		3,057		3,100
Total loans	$	118,402	$	25,474	$	4,982	$	67,684	$	216,542	$	15,427,854	$	15,644,396

Schedule Of Troubled Debt Restructurings [Table Text Block]

	Three Months Ended June 30, 2021								June 30, 2021
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		—	$	—	$	—	$	—	$	—
Total		—	$	—	$	—	$	—	$	—

	Three Months Ended June 30, 2020								June 30, 2020
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		1	$	1,900	$	1,900	$	—	$	86
Total		1	$	1,900	$	1,900	$	—	$	86

	Six Months Ended June 30, 2021								June 30, 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	$	—	$	—
Total		1	$	686	$	686	$	—	$	—

	Six Months Ended June 30, 2020								June 30, 2020
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	2,434	$	2,434	$	—	$	86
Total		3	$	2,434	$	2,434	$	—	$	86

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

	June 30, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	4,373	$	—	$	—	$	4,373
Commercial mortgage loans		444		5,580		13,221		19,245
Residential mortgage loans		1,497		254		1,892		3,643
Total accruing TDRs	$	6,314	$	5,834	$	15,113	$	27,261

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,983	$	—	$	—	$	3,983
Commercial mortgage loans		515		5,635		13,425		19,575
Residential mortgage loans		1,724		275		2,164		4,163
Total accruing TDRs	$	6,222	$	5,910	$	15,589	$	27,721

Non Accrual Troubled Debt Restructurings [Table Text Block]

	June 30, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	7,903	$	—	$	—	$	7,903
Residential mortgage loans		499		—		—		499
Total non-accrual TDRs	$	8,402	$	—	$	—	$	8,402

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,462	$	—	$	—	$	8,462
Residential mortgage loans		523		—		—		523
Total non-accrual TDRs	$	8,985	$	—	$	—	$	8,985

Activity Within The Troubled Debt Resturings [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
	(In thousands)
Accruing TDRs
Beginning balance	$	27,864		$	34,364		$	27,721		$	35,336
New restructurings		—			1,900			686			2,434
Payments		(603	)		(4,593	)		(1,146	)		(6,099	)
Ending balance	$	27,261		$	31,671		$	27,261		$	31,671

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
	(In thousands)
Non-accrual TDRs
Beginning balance	$	8,661		$	17,889		$	8,985		$	18,048
Charge-offs		—			(4,970	)		—			(4,970	)
Payments		(259	)		(249	)		(583	)		(408	)
Ending balance	$	8,402		$	12,670		$	8,402		$	12,670

Financing Receivable Credit Quality Indicators [Table Text Block]

	December 31, 2020
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,581,128	$	141,344	$	108,788	$	5,573	$	2,836,833
Real estate construction loans		593,196		82,010		4,286		—		679,492
Commercial mortgage loans		7,202,568		186,283		166,176		—		7,555,027
Residential mortgage loans and equity lines		4,547,052		11,647		11,245		—		4,569,944
Installment and other loans		3,100		—		—		—		3,100
Total gross loans	$	14,927,044	$	421,284	$	290,495	$	5,573	$	15,644,396

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, 2021	2021		2020		2019			2018			2017		Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass/Watch	$	399,319	$	391,221	$	275,646		$	218,678		$	98,676	$	72,443		$	1,219,335		$	7,527		$	2,682,845
Special Mention		—		100		12,675			7,953			2,892		1,023			28,928			227			53,798
Substandard		31		5,409		23,927			17,287			9,084		4,594			56,434			6,606			123,372
Doubtful		—		—		—			—			—		—			2,247			—			2,247
Loss		—		—		—			—			—		—			—			—			—
Total	$	399,350	$	396,730	$	312,248		$	243,918		$	110,652	$	78,060		$	1,306,944		$	14,360		$	2,862,262
YTD period charge-offs	$	—	$	73	$	50		$	366		$	—	$	50		$	16,311		$	—		$	16,850
YTD period recoveries		—		—		—			(26	)		—		(163	)		(1,236	)		—			(1,425	)
Net	$	—	$	73	$	50		$	340		$	—	$	(113	)	$	15,075		$	—		$	15,425
Real estate construction loans
Pass/Watch	$	131,786	$	213,818	$	157,612		$	64,904		$	29,489	$	—		$	—		$	—		$	597,609
Special Mention		4,643		25,075		13,759			16,422			—		—			—			—			59,899
Substandard		—		—		—			—			—		4,116			—			—			4,116
Doubtful		—		—		—			—			—		—			—			—			—
Loss		—		—		—			—			—		—			—			—			—
Total	$	136,429	$	238,893	$	171,371		$	81,326		$	29,489	$	4,116		$	—		$	—		$	661,624
YTD period charge-offs	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
Commercial mortgage loans
Pass/Watch	$	758,939	$	1,303,822	$	1,333,604		$	1,170,110		$	857,806	$	1,580,820		$	169,817		$	—		$	7,174,918
Special Mention		18,212		48,108		37,578			78,294			46,799		84,134			2,899			—			316,024
Substandard		—		1,698		6,789			46,616			1,804		64,785			875			—			122,567
Doubtful		—		—		—			—			—		—			—			—			—
Loss		—		—		—			—			—		—			—			—			—
Total	$	777,151	$	1,353,628	$	1,377,971		$	1,295,020		$	906,409	$	1,729,739		$	173,591		$	—		$	7,613,509
YTD period charge-offs	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—		(120	)		—			—		(14	)		(56	)		—			(190	)
Net	$	—	$	—	$	(120	)	$	—		$	—	$	(14	)	$	(56	)	$	—		$	(190	)
Residential mortgage loans
Pass/Watch	$	445,397	$	708,691	$	771,944		$	582,883		$	507,289	$	1,067,965		$	—		$	—		$	4,084,169
Special Mention		—		240		4,389			2,009			848		1,897			—			—			9,383
Substandard		—		161		3,058			2,533			707		5,301			—			—			11,760
Doubtful		—		—		—			—			—		—			—			—			—
Loss		—		—		—			—			—		—			—			—			—
Total	$	445,397	$	709,092	$	779,391		$	587,425		$	508,844	$	1,075,163		$	—		$	—		$	4,105,312
YTD period charge-offs	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—			—			—		(208	)		—			—			(208	)
Net	$	—	$	—	$	—		$	—		$	—	$	(208	)	$	—		$	—		$	(208	)
Equity lines
Pass/Watch	$	—	$	—	$	—		$	—		$	—	$	9		$	403,327		$	32,797		$	436,133
Special Mention		—		—		—			—			—		—			—			—			—
Substandard		—		—		—			—			—		—			1,250			602			1,852
Doubtful		—		—		—			—			—		—			—			—			—
Loss		—		—		—			—			—		—			—			—			—
Total	$	—	$	—	$	—		$	—		$	—	$	9		$	404,577		$	33,399		$	437,985
YTD period charge-offs	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—			—			—		—			(5	)		(10	)		(15	)
Net	$	—	$	—	$	—		$	—		$	—	$	—		$	(5	)	$	(10	)	$	(15	)
Installment and other loans
Pass/Watch	$	1,056	$	2,076	$	—		$	—		$	—	$	—		$	—		$	—		$	3,132
Special Mention		—		—		—			—			—		—			—			—			—
Substandard		—		—		—			—			—		—			—			—			—
Doubtful		—		—		—			—			—		—			—			—			—
Loss		—		—		—			—			—		—			—			—			—
Total	$	1,056	$	2,076	$	—		$	—		$	—	$	—		$	—		$	—		$	3,132
YTD period charge-offs	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net	$	—	$	—	$	—		$	—		$	—	$	—		$	—		$	—		$	—
Total loans	$	1,759,383	$	2,700,419	$	2,640,981		$	2,207,689		$	1,555,394	$	2,887,087		$	1,885,112		$	47,759		$	15,683,824
Net charge-offs/(recoveries)	$	—	$	73	$	(70	)	$	340		$	—	$	(335	)	$	15,014		$	(10	)	$	15,012

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)
March 31, 2021 Ending Balance *	$	42,034		$	6,992		$	65,347		$	30,734		$	3		$	145,110
Provision/(reversal) for possible credit losses		5,590			(873	)		(7,416	)		(3,899	)		(2	)		(6,600	)
Charge-offs		(7,712	)		—			—			—			—			(7,712	)
Recoveries		155			—			95			208			—			458
Net (charge-offs)/recoveries		(7,557	)		—			95			208			—			(7,254	)
June 30, 2021 Ending Balance	$	40,067		$	6,119		$	58,026		$	27,043		$	1		$	131,256
Allowance for unfunded credit commitments March 31, 2021 *	$	8,163		$	2,251		$	36		$	—		$	—		$	10,450
Provision/(reversal) for possible credit losses		(3,775	)		1,330			45			—			—			(2,400	)
Allowance for unfunded credit commitments June 30, 2021	$	4,388		$	3,581		$	81		$	—		$	—		$	8,050

								Residential
				Real Estate		Commercial		Mortgage Loans		Installment
	Commercial			Construction		Mortgage		and		and Other
	Loans			Loans		Loans		Equity Lines		Loans		Total
	(In thousands)
March 31, 2020 Ending Balance	$	67,799		$	23,222	$	39,886	$	17,366	$	—	$	148,273
Provision/(reversal) for possible credit losses		18,213			3,478		1,151		2,158		—		25,000
Charge-offs		(5,106	)		—		—		—		—		(5,106	)
Recoveries		1,350			—		95		68		—		1,513
Net (charge-offs)/recoveries		(3,756	)		—		95		68		—		(3,593	)
June 30, 2020 Ending Balance	$	82,256		$	26,700	$	41,132	$	19,592	$	—	$	169,680

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
2021 Beginning 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	)
Allowance for loan losses, January 1, 2021 *		37,276			6,547			84,198			36,948			9			164,978
Provision/(reversal) for possible credit losses		18,216			(428	)		(26,362	)		(10,128	)		(8	)		(18,710	)
Charge-offs		(16,850	)		—			—			—			—			(16,850	)
Recoveries		1,425			—			190			223			—			1,838
Net (charge-offs)/recoveries		(15,425	)		—			190			223			—			(15,012	)
June 30, 2021 Ending Balance	$	40,067		$	6,119		$	58,026		$	27,043		$	1		$	131,256
Allowance for unfunded credit commitments December 31, 2020	$	4,802		$	690		$	101		$	284		$	3		$	5,880
Impact of ASU 2016-13 adoption *		3,236			3,135			(66	)		(284	)		(3	)		6,018
Allowance for loan losses, January 1, 2021 *		8,038			3,825			35			—			—			11,898
Provision/(reversal) for possible credit losses		(3,650	)		(244	)		46			—			—			(3,848	)
Allowance for unfunded credit commitments June 30, 2021	$	4,388		$	3,581		$	81		$	—		$	—		$	8,050

								Residential
				Real Estate		Commercial		Mortgage Loans		Installment
	Commercial			Construction		Mortgage		and		and Other
	Loans			Loans		Loans		Equity Lines		Loans			Total
	(In thousands)
2020 Beginning Balance	$	57,021		$	19,474	$	33,602	$	13,108	$	19		$	123,224
Provision/(reversal) for possible credit losses		29,104			7,226		7,280		6,409		(19	)		50,000
Charge-offs		(6,427	)		—		—		—		—			(6,427	)
Recoveries		2,558			—		250		75		—			2,883
Net (charge-offs)/recoveries		(3,869	)		—		250		75		—			(3,544	)
June 30, 2020 Ending Balance	$	82,256		$	26,700	$	41,132	$	19,592	$	—		$	169,680
Reserve for impaired loans	$	6,895		$	—	$	323	$	307	$	—		$	7,525
Reserve for non-impaired loans	$	75,361		$	26,700	$	40,809	$	19,285	$	—		$	162,155
Reserve for off-balance sheet credit commitments	$	3,581		$	666	$	117	$	297	$	2		$	4,663

Impairment Method [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

	December 31, 2020
			Real Estate		Commercial		Residential		Installment
	Commercial		Construction		Mortgage		Mortgage Loans		and
	Loans		Loans		Loans		and Equity Lines		Other Loans		Total
	(In thousands)
Loans individually evaluated for impairment
Allowance	$	1,030	$	—	$	5,254	$	145	$	—	$	6,429
Balance	$	27,070	$	4,286	$	53,289	$	10,760	$	—	$	95,405
Loans collectively evaluated for impairment
Allowance	$	67,712	$	30,854	$	43,951	$	17,592	$	—	$	160,109
Balance	$	2,809,763	$	675,206	$	7,501,738	$	4,559,184	$	3,100	$	15,548,991
Total allowance	$	68,742	$	30,854	$	49,205	$	17,737	$	—	$	166,538
Total balance	$	2,836,833	$	679,492	$	7,555,027	$	4,569,944	$	3,100	$	15,644,396