Fair Value Of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule Of Estimated Fair Value Of Financial Instruments

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

	Fair Value Hierarchy Level	2016				2015
(In thousands)		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial Assets
Loans:
Business	Level 3	$	4,776,365	$	4,787,469	$	4,397,893	$	4,421,237
Real estate - construction and land	Level 3	791,236		800,426		624,070		633,083
Real estate - business	Level 3	2,643,374		2,658,093		2,355,544		2,387,101
Real estate - personal	Level 3	2,010,397		2,005,227		1,915,953		1,940,863
Consumer	Level 3	1,990,801		1,974,784		1,924,365		1,916,747
Revolving home equity	Level 3	413,634		414,499		432,981		434,607
Consumer credit card	Level 3	776,465		794,856		779,744		793,428
Overdrafts	Level 3	10,464		10,464		6,142		6,142
Loans held for sale	Level 2	14,456		14,456		7,607		7,607
Investment securities:
Available for sale	Level 1	945,871		945,871		747,339		747,339
Available for sale	Level 2	8,686,650		8,686,650		9,012,470		9,012,470
Available for sale	Level 3	16,682		16,682		17,195		17,195
Trading	Level 2	22,225		22,225		11,890		11,890
Non-marketable	Level 3	99,558		99,558		112,786		112,786
Federal funds sold	Level 1	15,470		15,470		14,505		14,505
Securities purchased under agreements to resell	Level 3	725,000		728,179		875,000		879,546
Interest earning deposits with banks	Level 1	272,275		272,275		23,803		23,803
Cash and due from banks	Level 1	494,690		494,690		464,411		464,411
Derivative instruments	Level 2	13,146		13,146		12,507		12,507
Derivative instruments	Level 3	420		420		264		264
Assets held in trust for deferred compensation plan	Level 1	10,261		10,261		9,278		9,278
Financial Liabilities
Non-interest bearing deposits	Level 1	$	7,429,398	$	7,429,398	$	7,146,398	$	7,146,398
Savings, interest checking and money market deposits	Level 1	11,430,789		11,430,789		10,834,746		10,834,746
Time open and certificates of deposit	Level 3	2,240,908		2,235,218		1,997,709		1,993,521
Federal funds purchased	Level 1	52,840		52,840		556,970		556,970
Securities sold under agreements to repurchase	Level 3	1,671,065		1,671,227		1,406,582		1,406,670
Other borrowings	Level 3	102,049		104,298		103,818		108,542
Derivative instruments	Level 2	13,177		13,177		12,534		12,534
Derivative instruments	Level 3	162		162		195		195
Liabilities held in trust for deferred compensation plan	Level 1	10,261		10,261		9,278		9,278