Fair Value Of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Of Financial Instruments [Abstract]

Fair value of financial instruments [Table Text Block]

	Carrying Amount		Estimated Fair Value at March 31, 2020
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,773,865	$	—	$	—	$	5,769,557	$	5,769,557
Real estate - construction and land	873,402		—		—		862,370		862,370
Real estate - business	2,960,308		—		—		2,991,527		2,991,527
Real estate - personal	2,464,819		—		—		2,426,824		2,426,824
Consumer	1,941,787		—		—		1,909,021		1,909,021
Revolving home equity	349,735		—		—		344,821		344,821
Consumer credit card	706,753		—		—		654,065		654,065
Overdrafts	3,143		—		—		2,278		2,278
Total loans	15,073,812		—		—		14,960,463		14,960,463
Loans held for sale	6,214		—		6,214		—		6,214
Investment securities	8,861,989		843,080		7,854,068		164,841		8,861,989
Federal funds sold	400		400		—		—		400
Securities purchased under agreements to resell	850,000		—		—		913,418		913,418
Interest earning deposits with banks	474,156		474,156		—		—		474,156
Cash and due from banks	401,185		401,185		—		—		401,185
Derivative instruments	250,450		—		250,026		424		250,450
Assets held in trust for deferred compensation plan	14,194		14,194		—		—		14,194
Total	$	25,932,400	$	1,733,015	$	8,110,308	$	16,039,146	$	25,882,469
Financial Liabilities
Non-interest bearing deposits	$	6,952,236	$	6,952,236	$	—	$	—	$	6,952,236
Savings, interest checking and money market deposits	12,049,279		12,049,279		—		—		12,049,279
Certificates of deposit	1,774,348		—		—		1,794,039		1,794,039
Federal funds purchased	18,720		18,720		—		—		18,720
Securities sold under agreements to repurchase	1,409,293		—		—		1,409,777		1,409,777
Other borrowings	754,976		—		4,976		750,000		754,976
Derivative instruments	20,443		—		19,462		981		20,443
Liabilities held in trust for deferred compensation plan	14,194		14,194		—		—		14,194
Total	$	22,993,489	$	19,034,429	$	24,438	$	3,954,797	$	23,013,664

	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