Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Of Financial Instruments [Abstract]

Fair value of financial instruments [Table Text Block]

	Carrying Amount		Estimated Fair Value at September 30, 2022
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,528,895	$	—	$	—	$	5,384,563	$	5,384,563
Real estate - construction and land	1,206,955		—		—		1,191,317		1,191,317
Real estate - business	3,331,627		—		—		3,214,321		3,214,321
Real estate - personal	2,862,519		—		—		2,628,213		2,628,213
Consumer	2,116,371		—		—		2,072,740		2,072,740
Revolving home equity	286,026		—		—		282,993		282,993
Consumer credit card	563,349		—		—		525,940		525,940
Overdrafts	3,216		—		—		3,160		3,160
Total loans	15,898,958		—		—		15,303,247		15,303,247
Loans held for sale	8,062		—		8,062		—		8,062
Investment securities	12,899,146		1,042,431		11,633,549		223,166		12,899,146
Federal funds sold	14,020		14,020		—		—		14,020
Securities purchased under agreements to resell	1,275,000		—		—		1,243,913		1,243,913
Interest earning deposits with banks	642,943		642,943		—		—		642,943
Cash and due from banks	344,178		344,178		—		—		344,178
Derivative instruments	38,460		—		38,419		41		38,460
Assets held in trust for deferred compensation plan	16,588		16,588		—		—		16,588
Total	$	31,137,355	$	2,060,160	$	11,680,030	$	16,770,367	$	30,510,557
Financial Liabilities
Non-interest bearing deposits	$	10,468,591	$	10,468,591	$	—	$	—	$	10,468,591
Savings, interest checking and money market deposits	16,014,487		16,014,487		—		—		16,014,487
Certificates of deposit	988,238		—		—		972,605		972,605
Federal funds purchased	311,200		311,200		—		—		311,200
Securities sold under agreements to repurchase	2,003,390		—		—		2,004,755		2,004,755
Other borrowings	985		—		985		—		985
Derivative instruments	55,768		—		55,669		99		55,768
Liabilities held in trust for deferred compensation plan	16,588		16,588		—		—		16,588
Total	$	29,859,247	$	26,810,866	$	56,654	$	2,977,459	$	29,844,979

	Carrying Amount		Estimated Fair Value at December 31, 2021
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,303,535	$	—	$	—	$	5,229,153	$	5,229,153
Real estate - construction and land	1,118,266		—		—		1,099,747		1,099,747
Real estate - business	3,058,837		—		—		3,054,481		3,054,481
Real estate - personal	2,805,401		—		—		2,809,490		2,809,490
Consumer	2,032,225		—		—		2,031,408		2,031,408
Revolving home equity	275,945		—		—		273,450		273,450
Consumer credit card	575,410		—		—		536,468		536,468
Overdrafts	6,740		—		—		6,458		6,458
Total loans	15,176,359		—		—		15,040,655		15,040,655
Loans held for sale	8,615		—		8,615		—		8,615
Investment securities	14,695,628		1,087,873		13,413,558		194,197		14,695,628
Federal funds sold	2,800		2,800		—		—		2,800
Securities purchased under agreements to resell	1,625,000		—		—		1,623,856		1,623,856
Interest earning deposits with banks	3,971,217		3,971,217		—		—		3,971,217
Cash and due from banks	305,539		305,539		—		—		305,539
Derivative instruments	41,842		—		40,994		848		41,842
Assets held in trust for deferred compensation plan	21,794		21,794		—		—		21,794
Total	$	35,848,794	$	5,389,223	$	13,463,167	$	16,859,556	$	35,711,946
Financial Liabilities
Non-interest bearing deposits	$	11,772,374	$	11,772,374	$	—	$	—	$	11,772,374
Savings, interest checking and money market deposits	16,598,085		16,598,085		—		—		16,598,085
Certificates of deposit	1,442,614		—		—		1,438,919		1,438,919
Federal funds purchased	43,385		43,385		—		—		43,385
Securities sold under agreements to repurchase	2,979,582		—		—		2,979,677		2,979,677
Other borrowings	12,514		—		12,514		—		12,514
Derivative instruments	12,101		—		11,824		277		12,101
Liabilities held in trust for deferred compensation plan	21,794		21,794		—		—		21,794
Total	$	32,882,449	$	28,435,638	$	24,338	$	4,418,873	$	32,878,849