The estimated fair values of the Company’s financial instruments are as follows:



	Fair Value Hierarchy Level	2017				2016
(In thousands)		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial Assets
Loans:
Business	Level 3	$	4,958,554	$	4,971,401	$	4,776,365	$	4,787,469
Real estate - construction and land	Level 3	968,820		979,389		791,236		800,426
Real estate - business	Level 3	2,697,452		2,702,598		2,643,374		2,658,093
Real estate - personal	Level 3	2,062,787		2,060,443		2,010,397		2,005,227
Consumer	Level 3	2,104,487		2,074,129		1,990,801		1,974,784
Revolving home equity	Level 3	400,587		400,333		413,634		414,499
Consumer credit card	Level 3	783,864		798,093		776,465		794,856
Overdrafts	Level 3	7,123		7,123		10,464		10,464
Loans held for sale	Level 2	21,398		21,398		14,456		14,456
Investment securities:
Available for sale	Level 1	937,011		937,011		945,871		945,871
Available for sale	Level 2	7,820,253		7,820,253		8,686,650		8,686,650
Available for sale	Level 3	17,016		17,016		16,682		16,682
Trading	Level 2	18,269		18,269		22,225		22,225
Non-marketable	Level 3	100,758		100,758		99,558		99,558
Federal funds sold	Level 1	42,775		42,775		15,470		15,470
Securities purchased under agreements to resell	Level 3	700,000		695,194		725,000		728,179
Interest earning deposits with banks	Level 1	30,631		30,631		272,275		272,275
Cash and due from banks	Level 1	438,439		438,439		494,690		494,690
Derivative instruments	Level 2	7,723		7,723		13,146		13,146
Derivative instruments	Level 3	626		626		420		420
Assets held in trust for deferred compensation plan	Level 1	12,843		12,843		10,261		10,261
Financial Liabilities
Non-interest bearing deposits	Level 1	$	7,158,962	$	7,158,962	$	7,429,398	$	7,429,398
Savings, interest checking and money market deposits	Level 1	11,499,620		11,499,620		11,430,789		11,430,789
Time open and certificates of deposit	Level 3	1,766,864		1,768,780		2,240,908		2,235,218
Federal funds purchased	Level 1	202,370		202,370		52,840		52,840
Securities sold under agreements to repurchase	Level 3	1,304,768		1,305,375		1,671,065		1,671,227
Other borrowings	Level 3	1,758		1,758		102,049		104,298
Derivative instruments	Level 2	7,951		7,951		13,177		13,177
Derivative instruments	Level 3	123		123		162		162
Liabilities held in trust for deferred compensation plan	Level 1	12,843		12,843		10,261		10,261