Fair Value Of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Of Financial Instruments [Abstract]

Fair value of financial instruments [Table Text Block]

	Carrying Amount		Estimated Fair Value at June 30, 2019
(In thousands)			Level 1		Level 2		Level 3		Total
Financial Assets
Loans:
Business	$	5,257,682	$	—	$	—	$	5,225,272	$	5,225,272
Real estate - construction and land	909,784		—		—		907,476		907,476
Real estate - business	2,867,831		—		—		2,876,513		2,876,513
Real estate - personal	2,160,515		—		—		2,152,628		2,152,628
Consumer	1,927,623		—		—		1,887,456		1,887,456
Revolving home equity	357,406		—		—		353,684		353,684
Consumer credit card	776,333		—		—		723,397		723,397
Overdrafts	3,074		—		—		2,192		2,192
Total loans	14,260,248		—		—		14,128,618		14,128,618
Loans held for sale	20,067		—		20,067		—		20,067
Investment securities	8,853,593		848,786		7,861,231		143,576		8,853,593
Securities purchased under agreements to resell	700,000		—		—		723,343		723,343
Interest earning deposits with banks	492,318		492,318		—		—		492,318
Cash and due from banks	456,192		456,192		—		—		456,192
Derivative instruments	106,430		—		105,321		1,109		106,430
Assets held in trust for deferred compensation plan	15,445		15,445		—		—		15,445
Total	$	24,904,293	$	1,812,741	$	7,986,619	$	14,996,646	$	24,796,006
Financial Liabilities
Non-interest bearing deposits	$	6,274,838	$	6,274,838	$	—	$	—	$	6,274,838
Savings, interest checking and money market deposits	11,452,849		11,452,849		—		—		11,452,849
Certificates of deposit	2,101,921		—		—		2,117,409		2,117,409
Federal funds purchased	366,590		366,590		—		—		366,590
Securities sold under agreements to repurchase	2,027,704		—		—		2,028,813		2,028,813
Other borrowings	4,429		—		3,586		843		4,429
Derivative instruments	10,012		—		9,786		226		10,012
Liabilities held in trust for deferred compensation plan	15,445		15,445		—		—		15,445
Total	$	22,253,788	$	18,109,722	$	13,372	$	4,147,291	$	22,270,385

	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