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Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Interest income: |  |
Loans, including fees | $ 63,534 | $ 68,323
Investment securities: |  |
Taxable | 20,519 | 24,512
Tax-exempt | 3,036 | 2,861
Other interest income | 21 | 86
Total interest income | 87,110 | 95,782
Interest expense: |  |
Savings deposits | 1,011 | 1,623
Time deposits | 4,445 | 6,485
Securities sold under repurchase agreements | 7,568 | 10,302
Other borrowings | 290 | 208
Junior subordinated interest deferrable debentures | 1,164 | 2,047
Total interest expense | 14,478 | 20,665
Net interest income | 72,632 | 75,117
Provision for probable loan losses | 7,419 | 5,285
Net interest income after provision for probable loan losses | 65,213 | 69,832
Non-interest income: |  |
Service charges on deposit accounts | 23,830 | 22,753
Other service charges, commissions and fees |  |
Banking | 9,983 | 10,064
Non-banking | 1,061 | 1,251
Investment securities transactions, net | 9,601 | 1,172
Other investments, net | 6,997 | 5,134
Other income | 1,780 | 2,803
Total non-interest income | 53,252 | 43,177
Non-interest expense: |  |
Employee compensation and benefits | 30,211 | 29,401
Occupancy | 7,812 | 8,734
Depreciation of bank premises and equipment | 6,625 | 6,927
Professional fees | 3,723 | 3,370
Deposit insurance assessments | 1,616 | 1,567
Net expense, other real estate owned | 1,789 | 1,181
Amortization of identified intangible assets | 1,137 | 1,137
Advertising | 1,846 | 1,827
Early termination fee - securities sold under repurchase agreements | 9,885 |
Impairment charges (Total other-than-temporary impairment charges, $968 net of $658, and $1,650, net of $1,464, included in other comprehensive income) | 310 | 186
Other | 15,907 | 13,813
Total non-interest expense | 80,861 | 68,143
Income before income taxes | 37,604 | 44,866
Provision for income taxes | 9,535 | 13,179
Net income | 28,069 | 31,687
Preferred stock dividends |  | 3,343
Net income available to common shareholders | $ 28,069 | $ 28,344
Basic earnings per common share: |  |
Weighted average number of shares outstanding: (in shares) | 67,187,583 | 67,271,146
Net income (in dollars per share) | $ 0.42 | $ 0.42
Fully diluted earnings per common share: |  |
Weighted average number of shares outstanding: (in shares) | 67,279,981 | 67,355,427
Net income (in dollars per share) | $ 0.42 | $ 0.42

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