Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Of Financial Instruments [Abstract]

Fair value of financial instruments [Table Text Block]

	Carrying Amount		Estimated Fair Value at September 30, 2019
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,393,268	$	—	$	—	$	5,375,226	$	5,375,226
Real estate - construction and land	932,737		—		—		929,954		929,954
Real estate - business	2,833,146		—		—		2,859,958		2,859,958
Real estate - personal	2,226,663		—		—		2,228,234		2,228,234
Consumer	1,953,690		—		—		1,921,227		1,921,227
Revolving home equity	349,111		—		—		346,065		346,065
Consumer credit card	766,743		—		—		709,327		709,327
Overdrafts	7,236		—		—		5,164		5,164
Total loans	14,462,594		—		—		14,375,155		14,375,155
Loans held for sale	20,064		—		20,064		—		20,064
Investment securities	8,847,734		852,779		7,836,563		158,392		8,847,734
Federal funds sold	2,850		2,850		—		—		2,850
Securities purchased under agreements to resell	850,000		—		—		876,225		876,225
Interest earning deposits with banks	344,129		344,129		—		—		344,129
Cash and due from banks	512,254		512,254		—		—		512,254
Derivative instruments	134,874		—		133,859		1,015		134,874
Assets held in trust for deferred compensation plan	15,571		15,571		—		—		15,571
Total	$	25,190,070	$	1,727,583	$	7,990,486	$	15,410,787	$	25,128,856
Financial Liabilities
Non-interest bearing deposits	$	6,816,527	$	6,816,527	$	—	$	—	$	6,816,527
Savings, interest checking and money market deposits	11,424,404		11,424,404		—		—		11,424,404
Certificates of deposit	2,069,220		—		—		2,086,278		2,086,278
Federal funds purchased	257,330		257,330		—		—		257,330
Securities sold under agreements to repurchase	1,383,944		—		—		1,384,859		1,384,859
Other borrowings	255,796		—		5,008		251,221		256,229
Derivative instruments	11,756		—		11,508		248		11,756
Liabilities held in trust for deferred compensation plan	15,571		15,571		—		—		15,571
Total	$	22,234,548	$	18,513,832	$	16,516	$	3,722,606	$	22,252,954

	Carrying Amount		Estimated Fair Value at December 31, 2018
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,106,427	$	—	$	—	$	5,017,694	$	5,017,694
Real estate - construction and land	869,659		—		—		868,274		868,274
Real estate - business	2,875,788		—		—		2,846,095		2,846,095
Real estate - personal	2,127,083		—		—		2,084,370		2,084,370
Consumer	1,955,572		—		—		1,916,627		1,916,627
Revolving home equity	376,399		—		—		365,069		365,069
Consumer credit card	814,134		—		—		756,651		756,651
Overdrafts	15,236		—		—		11,223		11,223
Total loans	14,140,298		—		—		13,866,003		13,866,003
Loans held for sale	20,694		—		20,694		—		20,694
Investment securities	8,698,666		910,237		7,643,290		145,139		8,698,666
Federal funds sold	3,320		3,320		—		—		3,320
Securities purchased under agreements to resell	700,000		—		—		693,228		693,228
Interest earning deposits with banks	689,876		689,876		—		—		689,876
Cash and due from banks	507,892		507,892		—		—		507,892
Derivative instruments	41,210		—		40,627		583		41,210
Assets held in trust for deferred compensation plan	12,968		12,968		—		—		12,968
Total	$	24,814,924	$	2,124,293	$	7,704,611	$	14,704,953	$	24,533,857
Financial Liabilities
Non-interest bearing deposits	$	6,980,298	$	6,980,298	$	—	$	—	$	6,980,298
Savings, interest checking and money market deposits	11,685,239		11,685,239		—		—		11,685,239
Certificates of deposit	1,658,122		—		—		1,663,748		1,663,748
Federal funds purchased	13,170		13,170		—		—		13,170
Securities sold under agreements to repurchase	1,943,219		—		—		1,944,458		1,944,458
Other borrowings	8,702		—		7,751		951		8,702
Derivative instruments	13,421		—		13,328		93		13,421
Liabilities held in trust for deferred compensation plan	12,968		12,968		—		—		12,968
Total	$	22,315,139	$	18,691,675	$	21,079	$	3,609,250	$	22,322,004