Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
INTEREST INCOME
Loans, including fees	$ 564,616	$ 596,390	$ 629,410
Investment securities:
Taxable	67,349	80,184	96,237
Tax-exempt	10,362	12,039	13,333
Dividends	2,927	2,769	2,800
Loans held for sale	2,064	1,958	3,088
Other interest income	178	358	505
Total Interest Income	647,496	693,698	745,373
INTEREST EXPENSE
Deposits	56,895	83,083	122,359
Short-term borrowings	1,068	746	1,455
Long-term debt	45,205	49,709	62,813
Total Interest Expense	103,168	133,538	186,627
Net Interest Income	544,328	560,160	558,746
Provision for credit losses	94,000	135,000	160,000
Net Interest Income After Provision for Credit Losses	450,328	425,160	398,746
OTHER INCOME
Service charges on deposit accounts	61,502	58,078	58,592
Mortgage banking income	44,600	25,674	29,304
Other service charges and fees	44,345	47,482	45,023
Investment management and trust services	38,239	36,483	34,173
Gain (Loss) on Sale of Business	6,215	0	0
Other	18,697	15,449	14,527
Investment securities gains (losses), net:
Other-than-temporary impairment losses	(1,107)	(1,997)	(14,519)
Less: Portion of loss (gain) recognized in other comprehensive income (before taxes)	298	(913)	568
Net other-than-temporary impairment losses	(809)	(2,910)	(13,951)
Net gains on sale of investment securities	3,835	7,471	14,652
Investment securities gains, net	3,026	4,561	701
Total Other Income	216,624	187,727	182,320
OTHER EXPENSES
Salaries and employee benefits	243,915	227,435	216,487
Net occupancy expense	44,663	44,003	43,533
Other outside services	15,310	7,851	7,431
Data processing	14,936	13,541	13,263
Equipment Expense	14,243	12,870	11,692
Federal Deposit Insurance Corporation Premium Expense	11,996	14,480	19,715
Professional Fees	11,522	12,159	11,523
Other Revenue (Expense) from Real Estate Operations	(10,196)	(8,366)	(7,441)
Software	9,520	8,400	7,554
Operating Risk Loss	9,454	1,328	3,025
Marketing	8,240	9,667	11,163
Telecommunications	6,884	8,119	8,543
Intangible amortization	3,031	4,257	5,240
Prepayment Fees on Advances, Net	3,007	0	0
Other	42,589	44,000	41,715
Total Other Expenses	449,506	416,476	408,325
Income Before Income Taxes	217,446	196,411	172,741
Income taxes	57,601	50,838	44,409
Net Income	159,845	145,573	128,332
Preferred stock dividends and discount accretion	0	0	(16,303)
Net Income Available to Common Shareholders	$ 159,845	$ 145,573	$ 112,029
PER COMMON SHARE:
Net income (basic)	$ 0.80	$ 0.73	$ 0.59
Net income (diluted)	$ 0.80	$ 0.73	$ 0.59
Cash dividends	$ 0.30	$ 0.20	$ 0.12