Consolidated Statements of Net Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INTEREST INCOME
Loans, including fees	$ 142,492	$ 145,181	$ 154,121
Investment Securities:
Taxable	7,478	7,544	8,169
Tax-exempt	3,401	3,121	2,347
Dividends	385	405	442
Total Interest Income	153,756	156,251	165,079
INTEREST EXPENSE
Deposits	11,406	16,796	22,952
Borrowings and junior subordinated debt securities	3,157	4,228	4,781
Total Interest Expense	14,563	21,024	27,733
NET INTEREST INCOME	139,193	135,227	137,346
Provision for loan losses	8,311	22,815	15,609
Net Interest Income After Provision for Loan Losses	130,882	112,412	121,737
NONINTEREST INCOME
Securities gains (losses), net	5	3,016	(124)
Debit and credit card fees	10,931	11,134	10,889
Wealth management fees	10,696	9,808	8,180
Service charges on deposit accounts	10,488	9,992	9,978
Insurance fees	6,248	6,131	6,230
Gain on sale of merchant card servicing business	3,093
Mortgage banking	2,123	2,878	1,199
Other	7,943	8,953	7,705
Total Noninterest Income	51,527	51,912	44,057
NONINTEREST EXPENSE
Salaries and employee benefits	60,902	60,256	51,078
Data processing	9,021	9,620	6,853
Net occupancy	8,023	7,605	6,943
Furniture and equipment	4,883	5,262	4,941
Professional services and legal	4,186	5,659	5,437
Other taxes	3,743	3,200	3,381
Marketing	2,929	3,302	3,019
FDIC insurance	2,772	2,926	3,570
Other	20,933	25,033	18,686
Total Noninterest Expense	117,392	122,863	103,908
Income Before Taxes	65,017	41,461	61,886
Provision for income taxes	14,478	7,261	14,622
Net Income	50,539	34,200	47,264
Preferred stock dividends and discount amortization			7,611
Net Income Available to Common Shareholders	$ 50,539	$ 34,200	$ 39,653
Earnings per common share-basic	$ 1.70	$ 1.18	$ 1.41
Earnings per common share-diluted	$ 1.70	$ 1.18	$ 1.41
Dividends declared per common share	$ 0.61	$ 0.60	$ 0.60