CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Interest income
Loans, including fees	$ 49,147	$ 56,025
Investment securities
Taxable	10,437	8,376
Tax-exempt	810	580
Total interest on investment securities	11,247	8,956
Other earning assets	(1,406)	(1,472)
Total interest income	58,988	63,509
Interest expense
Deposits	3,316	3,860
Short-term borrowings	329	329
Long-term borrowings	524	654
Total interest expense	4,169	4,843
Net interest income	54,819	58,666
Provision for loan and lease losses - uncovered	1,159	3,041
Provision for loan and lease losses - covered	(2,192)	9,042
Net interest income after provision for loan and lease losses	55,852	46,583
Noninterest income
Service charges on deposit accounts	4,772	4,717
Trust and wealth management fees	3,746	3,950
Bankcard income	2,433	2,433
Net gains from sales of loans	396	706
Gains on sales of investment securities	50	1,536
FDIC loss sharing income	(508)	8,934
Accelerated discount on covered loans	1,015	1,935
Other	2,271	2,487
Total noninterest income	14,175	26,698
Noninterest expenses
Salaries and employee benefits	25,261	27,329
Net occupancy	5,299	6,165
Furniture and equipment	2,077	2,371
Data processing	2,858	2,469
Marketing	786	897
Communication	623	833
Professional services	1,724	1,803
State intangible tax	644	1,014
FDIC assessments	1,134	1,125
Loss (gain) - other real estate owned	418	502
Loss (gain) - covered other real estate owned	33	(157)
Loss sharing expense	1,569	2,286
Other	5,416	6,469
Total noninterest expenses	47,842	53,106
Income before income taxes	22,185	20,175
Income tax expense	7,081	6,351
Net income	$ 15,104	$ 13,824
Earnings per common share
Basic	$ 0.26	$ 0.24
Diluted	$ 0.26	$ 0.24
Cash dividends declared per share	$ 0.15	$ 0.28
Average common shares outstanding - basic	57,091,604	57,439,029
Average common shares outstanding - diluted	57,828,179	58,283,467