Consolidated Statements of Condition - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 258,470	$ 273,053
Investment securities:
Held to maturity (Market value of $2,400 on March 31, 2016 and $2,400 on December 31, 2015)	2,400	2,400
Available for sale (Amortized cost of $4,290,424 on March 31, 2016 and $4,196,034 on December 31, 2015)	4,337,940	4,199,372
Total investment securities	4,340,340	4,201,772
Loans	5,935,574	5,950,914
Less allowance for probable loan losses	(61,784)	(66,988)
Net loans	5,873,790	5,883,926
Bank premises and equipment, net	515,477	516,716
Accrued interest receivable	29,550	31,572
Other investments	466,941	468,791
Identified intangible assets, net	121	153
Goodwill	282,532	282,532
Other assets	111,468	114,354
Total assets	11,878,689	11,772,869
Deposits:
Demand - non-interest bearing	3,176,647	3,149,618
Savings and interest bearing demand	3,117,289	3,020,222
Time	2,319,797	2,366,413
Total deposits	8,613,733	8,536,253
Securities sold under repurchase agreements	784,262	827,772
Other borrowed funds	499,650	505,750
Junior subordinated deferrable interest debentures	161,416	161,416
Other liabilities	119,331	76,175
Total liabilities	10,178,392	10,107,366
Shareholders' equity:
Common shares of $1.00 par value. Authorized 275,000,000 shares; issued 95,875,943 shares on March 31, 2016 and 95,866,218 shares on December 31, 2015	95,876	95,866
Surplus	168,367	167,980
Retained earnings	1,697,461	1,683,600
Accumulated other comprehensive income (including $(3,925) on March 31, 2016 and $(4,026) on December 31, 2015 of comprehensive loss related to other-than-temporary impairment for non-credit related issues)	30,662	2,167
Total shareholders' equity before treasury stock	1,992,366	1,949,613
Less cost of shares in treasury, 29,934,516 shares on March 31, 2016 and 29,585,646 on December 31, 2015	(292,069)	(284,110)
Total shareholders' equity	1,700,297	1,665,503
Total liabilities and shareholders' equity	$ 11,878,689	$ 11,772,869