CONSOLIDATED STATEMENTS OF CONDITION (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets:
Cash and cash equivalents	$ 330,298	$ 228,558
Available-for-sale investment securities (cost of $1,708,841 and $1,989,938, respectively)	1,773,634	2,121,394
Held-to-maturity investment securities (fair value of $693,349 and $703,957, respectively)	631,984	637,894
Other securities, at cost	42,502	59,239
Loans	3,861,601	3,865,576
Allowance for loan losses	(42,913)	(42,888)
Net loans	3,818,688	3,822,688
Goodwill, net	369,703	369,703
Core deposit intangibles, net	13,554	14,492
Other intangibles, net	2,697	2,939
Intangible assets, net	385,954	387,134
Premises and equipment, net	89,360	89,938
Accrued interest and fee receivable	26,993	32,305
Other assets	121,660	117,650
Total assets	7,221,073	7,496,800
Liabilities:
Noninterest-bearing deposits	1,115,417	1,110,994
Interest-bearing deposits	4,659,407	4,517,045
Total deposits	5,774,824	5,628,039
Borrowings	361,422	728,061
Subordinated debt held by unconsolidated subsidiary trusts	102,079	102,073
Accrued interest and other liabilities	105,454	135,849
Total liabilities	6,343,779	6,594,022
Commitments and contingencies (See Note J)
Shareholders' equity:
Preferred stock $1.00 par value, 500,000 shares authorized, 0 shares issued	0	0
Common stock, $1.00 par value, 50,000,000 shares authorized; 40,771,423 and 40,421,493 shares issued, respectively	40,771	40,421
Additional paid-in capital	383,902	378,413
Retained earnings	456,524	447,018
Accumulated other comprehensive income	13,212	54,334
Treasury stock, at cost (782,173 and 795,560 shares, respectively)	(17,115)	(17,408)
Total shareholders' equity	877,294	902,778
Total liabilities and shareholders' equity	$ 7,221,073	$ 7,496,800