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Consolidated Statements of Cash Flows (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Operating activities: |  |
Net income | $ 55,582,000 | $ 56,237,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Provision for probable loan losses | 11,761,000 | 11,392,000
Specific reserve, other real estate owned | 478,000 | 741,000
Depreciation of bank premises and equipment | 13,244,000 | 13,717,000
Gain on sale of bank premises and equipment | (516,000) | (319,000)
Gain on sale of other real estate owned | (188,000) | (395,000)
Accretion of investment securities discounts | (1,812,000) | (1,521,000)
Amortization of investment securities premiums | 24,256,000 | 13,339,000
Investment securities transactions, net | (9,601,000) | (2,592,000)
Impairment charges on available-for-sale investment securities | 727,000 | 408,000
Amortization of identified intangible assets | 2,295,000 | 2,300,000
Stock based compensation expense | 221,000 | 253,000
Earnings from affiliates and other investments | (13,209,000) | (7,348,000)
Deferred tax (benefit) expense | (3,274,000) | 2,869,000
Decrease in accrued interest receivable | 323,000 | 712,000
Net decrease (increase) in other assets | 17,281,000 | (123,000)
Net (decrease) increase in other liabilities | (4,754,000) | 5,138,000
Net cash provided by operating activities | 92,814,000 | 94,808,000
Investing activities: |  |
Proceeds from maturities of held-to-maturity securities |  | 1,100,000
Proceeds from sales and calls of available for sale securities | 178,124,000 | 72,383,000
Purchases of available for sale securities | (731,384,000) | (792,642,000)
Principal collected on mortgage-backed securities | 749,233,000 | 643,667,000
Net (increase) decrease in loans | (141,191,000) | 94,229,000
Purchases of other investments | (637,000) | (1,860,000)
Distributions received on other investments | 20,109,000 | 23,006,000
Purchases of bank premises and equipment | (16,321,000) | (17,282,000)
Proceeds from sales of other real estate owned | 12,582,000 | 15,066,000
Proceeds from sale of bank premises and equipment | 535,000 | 2,501,000
Net cash provided by investing activities | 71,050,000 | 40,168,000
Financing activities: |  |
Net increase in non-interest bearing demand deposits | 147,971,000 | 108,245,000
Net decrease in savings and interest bearing demand deposits | (33,383,000) | (2,828,000)
Net (decrease) increase in time deposits | (208,077,000) | 108,114,000
Net decrease in securities sold under repurchase agreements | (104,608,000) | (18,631,000)
Net increase (decrease) in other borrowed funds | 3,431,000 | (352,066,000)
Purchase of treasury stock |  | (971,000)
Proceeds from stock transactions | 64,000 | 33,000
Payments of dividends on common stock | (13,438,000) | (13,450,000)
Payments of dividends on preferred stock |  | (5,400,000)
Net cash used in financing activities | (208,040,000) | (176,954,000)
Decrease in cash and cash equivalents | (44,176,000) | (41,978,000)
Cash and cash equivalents at beginning of period | 283,100,000 | 261,885,000
Cash and cash equivalents at end of period | 238,924,000 | 219,907,000
Supplemental cash flow information: |  |
Interest paid | 29,910,000 | 42,268,000
Income taxes paid | 35,171,000 | 14,719,000
Non-cash investing and financing activities: |  |
Accrued dividends, preferred shares |  | 1,350,000
Net transfer from loans to other real estate owned | (657,000) | 57,605,000
Purchases of available-for-sale securities not yet settled |  | $ 2,427,000

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