Fair Value Of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Of Financial Instruments [Abstract]

Fair value of financial instruments [Table Text Block]

	Carrying Amount		Estimated Fair Value at June 30, 2020
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	6,858,217	$	—	$	—	$	6,810,070	$	6,810,070
Real estate - construction and land	932,022		—		—		905,629		905,629
Real estate - business	2,941,163		—		—		2,928,213		2,928,213
Real estate - personal	2,690,542		—		—		2,699,804		2,699,804
Consumer	1,966,707		—		—		1,951,111		1,951,111
Revolving home equity	334,627		—		—		330,906		330,906
Consumer credit card	666,597		—		—		589,031		589,031
Overdrafts	5,179		—		—		5,011		5,011
Total loans	16,395,054		—		—		16,219,775		16,219,775
Loans held for sale	12,785		—		12,785		—		12,785
Investment securities	10,468,129		829,205		9,510,256		128,668		10,468,129
Securities purchased under agreements to resell	850,000		—		—		912,674		912,674
Interest earning deposits with banks	1,404,968		1,404,968		—		—		1,404,968
Cash and due from banks	391,268		391,268		—		—		391,268
Derivative instruments	269,010		—		266,028		2,982		269,010
Assets held in trust for deferred compensation plan	16,310		16,310		—		—		16,310
Total	$	29,807,524	$	2,641,751	$	9,789,069	$	17,264,099	$	29,694,919
Financial Liabilities
Non-interest bearing deposits	$	9,700,261	$	9,700,261	$	—	$	—	$	9,700,261
Savings, interest checking and money market deposits	12,792,993		12,792,993		—		—		12,792,993
Certificates of deposit	2,033,713		—		—		2,051,053		2,051,053
Federal funds purchased	36,965		36,965		—		—		36,965
Securities sold under agreements to repurchase	1,703,473		—		—		1,703,547		1,703,547
Derivative instruments	21,373		—		20,279		1,094		21,373
Liabilities held in trust for deferred compensation plan	16,310		16,310		—		—		16,310
Total	$	26,305,088	$	22,546,529	$	20,279	$	3,755,694	$	26,322,502

	Carrying Amount		Estimated Fair Value at December 31, 2019
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,565,449	$	—	$	—	$	5,526,303	$	5,526,303
Real estate - construction and land	899,377		—		—		898,152		898,152
Real estate - business	2,833,554		—		—		2,849,213		2,849,213
Real estate - personal	2,354,760		—		—		2,333,002		2,333,002
Consumer	1,964,145		—		—		1,938,505		1,938,505
Revolving home equity	349,251		—		—		344,424		344,424
Consumer credit card	764,977		—		—		708,209		708,209
Overdrafts	6,304		—		—		4,478		4,478
Total loans	14,737,817		—		—		14,602,286		14,602,286
Loans held for sale	13,809		—		13,809		—		13,809
Investment securities	8,741,888		854,705		7,738,158		149,025		8,741,888
Securities purchased under agreements to resell	850,000		—		—		869,592		869,592
Interest earning deposits with banks	395,850		395,850		—		—		395,850
Cash and due from banks	491,615		491,615		—		—		491,615
Derivative instruments	105,674		—		105,075		599		105,674
Assets held in trust for deferred compensation plan	16,518		16,518		—		—		16,518
Total	$	25,353,171	$	1,758,688	$	7,857,042	$	15,621,502	$	25,237,232
Financial Liabilities
Non-interest bearing deposits	$	6,890,687	$	6,890,687	$	—	$	—	$	6,890,687
Savings, interest checking and money market deposits	11,621,716		11,621,716		—		—		11,621,716
Certificates of deposit	2,008,012		—		—		2,022,629		2,022,629
Federal funds purchased	20,035		20,035		—		—		20,035
Securities sold under agreements to repurchase	1,830,737		—		—		1,831,518		1,831,518
Other borrowings	988		—		988		—		988
Derivative instruments	10,219		—		9,989		230		10,219
Liabilities held in trust for deferred compensation plan	16,518		16,518		—		—		16,518
Total	$	22,398,912	$	18,548,956	$	10,977	$	3,854,377	$	22,414,310