Note 8 - Loans (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	March 31, 2019			December 31, 2018
	(In thousands)
Commercial loans	$	2,736,195		$	2,741,965
Real estate construction loans		567,789			581,454
Commercial mortgage loans		6,888,898			6,724,200
Residential mortgage loans		3,803,692			3,693,853
Equity lines		273,215			249,967
Installment and other loans		7,633			4,349
Gross loans	$	14,277,422		$	13,995,788
Allowance for loan losses		(122,555	)		(122,391	)
Unamortized deferred loan fees, net		(1,549	)		(1,565	)
Total loans, net	$	14,153,318		$	13,871,832

Impaired Financing Receivables [Table Text Block]

	Three Months Ended March 31,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	37,936	$	256	$	45,183	$	334
Real estate construction loans		4,815		—		8,137		—
Commercial mortgage loans		59,070		603		58,598		644
Residential mortgage loans and equity lines		13,264		88		13,709		100
Total impaired loans	$	115,085	$	947	$	125,627	$	1,078

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

	March 31, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance		Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	45,590	$	42,220	$	—	$	32,015	$	30,368	$	—
Real estate construction loans		5,776		4,801		—		5,776		4,873		—
Commercial mortgage loans		48,151		38,114		—		34,129		24,409		—
Residential mortgage loans and equity lines		7,122		7,096		—		5,685		5,665		—
Subtotal	$	106,639	$	92,231	$	—	$	77,605	$	65,315	$	—
With allocated allowance
Commercial loans	$	950	$	939	$	498	$	6,653	$	6,570	$	1,837
Commercial mortgage loans		20,289		20,238		667		27,099		27,063		877
Residential mortgage loans and equity lines		7,223		6,223		249		8,934		7,938		1,088
Subtotal	$	28,462	$	27,400	$	1,414	$	42,686	$	41,571	$	3,802
Total impaired loans	$	135,101	$	119,631	$	1,414	$	120,291	$	106,886	$	3,802

Financing Receivable, Past Due [Table Text Block]

	March 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	$	10,618	$	2,093	$	—	$	26,499	$	39,210	$	2,696,985	$	2,736,195
Real estate construction loans		19,823		—		—		4,801		24,624		543,165		567,789
Commercial mortgage loans		24,107		3,324		—		17,940		45,371		6,843,527		6,888,898
Residential mortgage loans and equity lines		12,298		—		—		7,443		19,741		4,057,166		4,076,907
Installment and other loans		—		—		—		—		—		7,633		7,633
Total loans	$	66,846	$	5,417	$	—	$	56,683	$	128,946	$	14,148,476	$	14,277,422

	December 31, 2018
	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	$	25,494	$	2,454	$	514	$	18,805	$	47,267	$	2,694,698	$	2,741,965
Real estate construction loans		—		3,156		—		4,872		8,028		573,426		581,454
Commercial mortgage loans		10,797		8,545		3,259		10,611		33,212		6,690,988		6,724,200
Residential mortgage loans and equity lines		9,687		336		—		7,527		17,550		3,926,270		3,943,820
Installment and other loans		—		—		—		—		—		4,349		4,349
Total loans	$	45,978	$	14,491	$	3,773	$	41,815	$	106,057	$	13,889,731	$	13,995,788

Schedule Of Troubled Debt Restructurings [Table Text Block]

	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	$	1,622	$	—	$	—
Total		1	$	1,948	$	1,622	$	—	$	—

	Three Months Ended March 31, 2018								March 31, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	2,463	$	2,463	$	—	$	—
Commercial mortgage loans		6		14,287		14,287		—		134
Residential mortgage loans and equity lines		2		801		801		—		8
Total		11	$	17,551	$	17,551	$	—	$	142

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

	March 31, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	16,660	$	—	$	—	$	16,660
Commercial mortgage loans		13,773		7,391		19,249		40,413
Residential mortgage loans		3,177		324		2,374		5,875
Total accruing TDRs	$	33,610	$	7,715	$	21,623	$	62,948

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	18,135	$	—	$	—	$	18,135
Commercial mortgage loans		14,022		7,420		19,418		40,860
Residential mortgage loans		3,353		327		2,396		6,076
Total accruing TDRs	$	35,510	$	7,747	$	21,814	$	65,071

Non Accrual Troubled Debt Restructurings [Table Text Block]

	March 31, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,148	$	—	$	—	$	13,148
Commercial mortgage loans		3,636		—		4,695		8,331
Residential mortgage loans		1,714		—		108		1,822
Total non-accrual TDRs	$	18,498	$	—	$	4,803	$	23,301

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,771	$	—	$	—	$	13,771
Commercial mortgage loans		3,682		—		4,884		8,566
Residential mortgage loans		1,741		—		111		1,852
Total non-accrual TDRs	$	19,194	$	—	$	4,995	$	24,189

Activity Within The Troubled Debt Resturings [Table Text Block]

	Three Months Ended March 31,
	2019			2018
	(In thousands)
Accruing TDRs
Beginning balance	$	65,071		$	68,566
New restructurings		1,948			17,320
Restructured loans restored to accrual status		—			2,318
Payments		(4,071	)		(3,891	)
Restructured loans placed on non-accrual status		—			(1,528	)
Ending balance	$	62,948		$	82,785

	Three Months Ended March 31,
	2019			2018
	(In thousands)
Non-accrual TDRs
Beginning balance	$	24,189		$	33,415
New restructurings		—			231
Restructured loans placed on non-accrual status		—			1,528
Charge-offs		(407	)		—
Payments		(481	)		(1,661	)
Restructured loans restored to accrual status		—			(2,318	)
Ending balance	$	23,301		$	31,195

Financing Receivable Credit Quality Indicators [Table Text Block]

	March 31, 2019
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,547,294	$	113,451	$	75,450	$	—	$	2,736,195
Real estate construction loans		518,290		44,699		4,800		—		567,789
Commercial mortgage loans		6,556,203		250,331		82,364		—		6,888,898
Residential mortgage loans and equity lines		4,067,833		770		8,304		—		4,076,907
Installment and other loans		7,633		—		—		—		7,633
Total gross loans	$	13,697,253	$	409,251	$	170,918	$	—	$	14,277,422

	December 31, 2018
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,603,901	$	87,987	$	50,077	$	—	$	2,741,965
Real estate construction loans		514,406		62,175		4,873		—		581,454
Commercial mortgage loans		6,337,368		304,791		82,041		—		6,724,200
Residential mortgage loans and equity lines		3,934,762		—		9,058		—		3,943,820
Installment and other loans		4,349		—		—		—		4,349
Total gross loans	$	13,394,786	$	454,953	$	146,049	$	—	$	13,995,788

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)
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

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
2018 Beginning Balance	$	49,796		$	24,838		$	37,610		$	11,013	$	22		$	123,279
Provision/(reversal) for possible credit losses		3,907			(3,018	)		(4,163	)		275		(1	)		(3,000	)
Charge-offs		(19	)		—			—			—		—			(19	)
Recoveries		913			44			783			84		—			1,824
Net recoveries		894			44			783			84		—			1,805
March 31, 2018 Ending Balance	$	54,597		$	21,864		$	34,230		$	11,372	$	21		$	122,084
Reserve for impaired loans	$	11		$	—		$	1,145		$	346	$	—		$	1,502
Reserve for non-impaired loans	$	54,586		$	21,864		$	33,085		$	11,026	$	21		$	120,582
Reserve for off-balance sheet credit commitments	$	2,747		$	1,515		$	138		$	182	$	6		$	4,588

Impairment Method [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

	March 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	$	498	$	—	$	667	$	249	$	—	$	1,414
Balance	$	43,159	$	4,801	$	58,352	$	13,319	$	—	$	119,631
Loans collectively evaluated for impairment
Allowance	$	54,252	$	20,723	$	32,406	$	13,726	$	34	$	121,141
Balance	$	2,693,036	$	562,988	$	6,830,546	$	4,063,588	$	7,633	$	14,157,791
Total allowance	$	54,750	$	20,723	$	33,073	$	13,975	$	34	$	122,555
Total balance	$	2,736,195	$	567,789	$	6,888,898	$	4,076,907	$	7,633	$	14,277,422

	December 31, 2018
			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	$	1,837	$	—	$	877	$	1,088	$	—	$	3,802
Balance	$	36,938	$	4,873	$	51,472	$	13,603	$	—	$	106,886
Loans collectively evaluated for impairment
Allowance	$	53,141	$	19,626	$	32,610	$	13,194	$	18	$	118,589
Balance	$	2,705,027	$	576,581	$	6,672,728	$	3,930,217	$	4,349	$	13,888,902
Total allowance	$	54,978	$	19,626	$	33,487	$	14,282	$	18	$	122,391
Total balance	$	2,741,965	$	581,454	$	6,724,200	$	3,943,820	$	4,349	$	13,995,788