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Note 8 - Loans (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

		March 31, 2020				December 31, 2019
		(In thousands)
Commercial loans		$	2,973,078			$	2,778,744
Residential mortgage loans			4,173,876				4,088,586
Commercial mortgage loans			7,422,585				7,275,262
Real estate construction loans			577,240				579,864
Equity lines			385,317				347,975
Installment and other loans			2,116				5,050
Gross loans		$	15,534,212			$	15,075,481
Allowance for loan losses			(148,273	)			(123,224	)
Unamortized deferred loan fees, net			(277	)			(626	)
Total loans, net		$	15,385,662			$	14,951,631

Impaired Financing Receivables [Table Text Block]

		Three Months Ended March 31,
		2020								2019
		Average Recorded Investment				Interest Income Recognized				Average Recorded Investment				Interest Income Recognized
		(In thousands)
Commercial loans		$	28,316			$	70			$	37,936			$	256
Real estate construction loans			4,506				98				4,815				—
Commercial mortgage loans			36,040				459				59,070				603
Residential mortgage loans and equity lines			11,371				71				13,264				88
Total impaired loans		$	80,233			$	698			$	115,085			$	947

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

		March 31, 2020												December 31, 2019
		Unpaid Principal Balance				Recorded Investment				Allowance				Unpaid Principal Balance				Recorded Investment				Allowance
		(In thousands)
With no allocated allowance
Commercial loans		$	28,685			$	25,991			$	—			$	20,134			$	15,857			$	—
Real estate construction loans			5,776				4,482				—				5,776				4,580				—
Commercial mortgage loans			16,559				16,223				—				9,234				9,030				—
Residential mortgage loans and equity lines			6,046				6,024				—				6,171				6,073				—
Subtotal		$	57,066			$	52,720			$	—			$	41,315			$	35,540			$	—
With allocated allowance
Commercial loans		$	9,223			$	9,152			$	2,827			$	8,769			$	8,739			$	2,543
Commercial mortgage loans			20,513				20,420				405				26,117				26,040				473
Residential mortgage loans and equity lines			7,018				5,805				219				6,740				5,540				220
Subtotal		$	36,754			$	35,377			$	3,451			$	41,626			$	40,319			$	3,236
Total impaired loans		$	93,820			$	88,097			$	3,451			$	82,941			$	75,859			$	3,236

Financing Receivable, Past Due [Table Text Block]

		March 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		$	26,282			$	7,433			$	1,199			$	30,443			$	65,357			$	2,907,721			$	2,973,078
Real estate construction loans			—				—				—				4,482				4,482				572,758				577,240
Commercial mortgage loans			17,018				683				3,332				11,859				32,892				7,389,693				7,422,585
Residential mortgage loans and equity lines			39,946				—				—				6,949				46,895				4,512,298				4,559,193
Installment and other loans			—				—				—				—				—				2,116				2,116
Total loans		$	83,246			$	8,116			$	4,531			$	53,733			$	149,626			$	15,384,586			$	15,534,212

		December 31, 2019
		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		$	24,681			$	9,954			$	6,409			$	19,381			$	60,425			$	2,718,319			$	2,778,744
Real estate construction loans			5,846				6,753				—				4,580				17,179				562,685				579,864
Commercial mortgage loans			7,694				2,609				—				9,928				20,231				7,255,031				7,275,262
Residential mortgage loans and equity lines			26,028				965				—				6,634				33,627				4,402,934				4,436,561
Installment and other loans			—				—				—				—				—				5,050				5,050
Total loans		$	64,249			$	20,281			$	6,409			$	40,523			$	131,462			$	14,944,019			$	15,075,481

Schedule Of Troubled Debt Restructurings [Table Text Block]

		Three Months Ended March 31, 2020																March 31, 2020
		No. of Contracts				Pre-Modification Outstanding Recorded Investment				Post-Modification Outstanding Recorded Investment				Charge-offs				Specific Reserve
		(In thousands)
Commercial loans			2			$	534			$	534			$	—			$	—
Total			2			$	534			$	534			$	—			$	—

		Three Months Ended March 31, 2019																March 31, 2019
		No. of Contracts				Pre-Modification Outstanding Recorded Investment				Post-Modification Outstanding Recorded Investment				Charge-offs				Specific Reserve
		(In thousands)
Commercial loans			1			$	1,948			$	1,948			$	—			$	—
Total			1			$	1,948			$	1,948			$	—			$	—

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

		March 31, 2020
		Payment Deferral				Rate Reduction				Rate Reduction and Payment Deferral				Total
		(In thousands)
Accruing TDRs
Commercial loans		$	4,700			$	—			$	—			$	4,700
Commercial mortgage loans			459				5,707				18,618				24,784
Residential mortgage loans			2,453				306				2,121				4,880
Total accruing TDRs		$	7,612			$	6,013			$	20,739			$	34,364

		December 31, 2019
		Payment Deferral				Rate Reduction				Rate Reduction and Payment Deferral				Total
		(In thousands)
Accruing TDRs
Commercial loans		$	5,215			$	—			$	—			$	5,215
Commercial mortgage loans			615				5,748				18,779				25,142
Residential mortgage loans			2,525				311				2,143				4,979
Total accruing TDRs		$	8,355			$	6,059			$	20,922			$	35,336

Non Accrual Troubled Debt Restructurings [Table Text Block]

		March 31, 2020
		Payment Deferral				Rate Reduction				Rate Reduction and Payment Deferral				Total
		(In thousands)
Non-accrual TDRs
Commercial loans		$	16,561			$	—			$	—			$	16,561
Residential mortgage loans			1,199				—				129				1,328
Total non-accrual TDRs		$	17,760			$	—			$	129			$	17,889

		December 31, 2019
		Payment Deferral				Rate Reduction				Rate Reduction and Payment Deferral				Total
		(In thousands)
Non-accrual TDRs
Commercial loans		$	16,692			$	—			$	—			$	16,692
Commercial mortgage loans			1,220				—				136				1,356
Total non-accrual TDRs		$	17,912			$	—			$	136			$	18,048

Activity Within The Troubled Debt Resturings [Table Text Block]

		Three Months Ended March 31,
		2020				2019
		(In thousands)
Accruing TDRs
Beginning balance		$	35,336			$	65,071
New restructurings			534				1,948
Payments			(1,506	)			(4,071	)
Ending balance		$	34,364			$	62,948

		Three Months Ended March 31,
		2020				2019
		(In thousands)
Non-accrual TDRs
Beginning balance		$	18,048			$	24,189
Charge-offs			—				(407	)
Payments			(159	)			(481	)
Ending balance		$	17,889			$	23,301

Financing Receivable Credit Quality Indicators [Table Text Block]

		March 31, 2020
		Pass/Watch				Special Mention				Substandard				Doubtful				Total
		(In thousands)
Commercial loans		$	2,726,364			$	164,339			$	82,375			$	—			$	2,973,078
Real estate construction loans			463,971				108,787				4,482				—				577,240
Commercial mortgage loans			7,178,261				158,354				85,970				—				7,422,585
Residential mortgage loans and equity lines			4,544,015				5,916				9,262				—				4,559,193
Installment and other loans			2,116				—				—				—				2,116
Total gross loans		$	14,914,727			$	437,396			$	182,089			$	—			$	15,534,212

		December 31, 2019
		Pass/Watch				Special Mention				Substandard				Doubtful				Total
		(In thousands)
Commercial loans		$	2,528,944			$	166,016			$	83,784			$	—			$	2,778,744
Real estate construction loans			461,597				113,687				4,580				—				579,864
Commercial mortgage loans			6,992,933				196,454				85,875				—				7,275,262
Residential mortgage loans and equity lines			4,427,205				914				8,442				—				4,436,561
Installment and other loans			5,050				—				—				—				5,050
Total gross loans		$	14,415,729			$	477,071			$	182,681			$	—			$	15,075,481

Impairment Method [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

		March 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		$	2,827			$	—			$	405			$	219			$	—			$	3,451
Balance		$	35,143			$	4,482			$	36,643			$	11,829			$	—			$	88,097
Loans collectively evaluated for impairment
Allowance		$	64,972			$	23,222			$	39,481			$	17,147			$	—			$	144,822
Balance		$	2,937,935			$	572,758			$	7,385,942			$	4,547,364			$	2,116			$	15,446,115
Total allowance		$	67,799			$	23,222			$	39,886			$	17,366			$	—			$	148,273
Total balance		$	2,973,078			$	577,240			$	7,422,585			$	4,559,193			$	2,116			$	15,534,212

		December 31, 2019
						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		$	2,543			$	—			$	473			$	220			$	—			$	3,236
Balance		$	24,596			$	4,580			$	35,070			$	11,613			$	—			$	75,859
Loans collectively evaluated for impairment
Allowance		$	54,478			$	19,474			$	33,129			$	12,888			$	19			$	119,988
Balance		$	2,754,148			$	575,284			$	7,240,192			$	4,424,948			$	5,050			$	14,999,622
Total allowance		$	57,021			$	19,474			$	33,602			$	13,108			$	19			$	123,224
Total balance		$	2,778,744			$	579,864			$	7,275,262			$	4,436,561			$	5,050			$	15,075,481

														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			10,891				3,748				6,129				4,251				(19	)			25,000
Charge-offs			(1,321	)			—				—				—				—				(1,321	)
Recoveries			1,208				—				155				7				—				1,370
Net (charge-offs)/recoveries			(113	)			—				155				7				—				49
March 31, 2020 Ending Balance		$	67,799			$	23,222			$	39,886			$	17,366			$	—			$	148,273
Reserve for impaired loans		$	2,827			$	—			$	405			$	219			$	—			$	3,451
Reserve for non-impaired loans		$	64,972			$	23,222			$	39,481			$	17,147			$	—			$	144,822
Reserve for off-balance sheet credit commitments		$	1,296			$	1,233			$	177			$	304			$	3			$	3,013

														Residential
						Real Estate				Commercial				Mortgage Loans				Installment
		Commercial				Construction				Mortgage				and				and Other
		Loans				Loans				Loans				Equity Lines				Loans				Total
		(In thousands)
2019 Beginning Balance		$	54,978			$	19,626			$	33,487			$	14,282			$	18			$	122,391
Provision/(reversal) for possible credit losses			962				53				(566	)			(465	)			16				—
Charge-offs			(1,231	)			—				—				—				—				(1,231	)
Recoveries			41				1,044				152				158				—				1,395
Net (charge-offs)/recoveries			(1,190	)			1,044				152				158				—				164
March 31, 2019 Ending Balance		$	54,750			$	20,723			$	33,073			$	13,975			$	34			$	122,555
Reserve for impaired loans		$	498			$	—			$	667			$	249			$	—			$	1,414
Reserve for non-impaired loans		$	54,252			$	20,723			$	32,406			$	13,726			$	34			$	121,141
Reserve for off-balance sheet credit commitments		$	1,759			$	1,668			$	146			$	275			$	2			$	3,850

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