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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Operating activities: |  |  |
Net income | $ 127,149 | $ 130,023 | $ 142,742
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Provision for probable loan losses | 17,318 | 22,812 | 58,833
Specific reserve, other real estate owned | 9,806 | 657 | 44
Accretion of time deposit discounts | (11) | (14) | (14)
Depreciation of bank premises and equipment | 34,935 | 35,395 | 35,879
(Gain) loss on sale of bank premises and equipment | (361) | (22) | 80
Gain on sale of other real estate owned | (738) | (266) | (291)
Depreciation and amortization of leased assets |  |  | 300
Accretion of investment securities discounts | (2,081) | (1,693) | (1,940)
Amortization of investment securities premiums | 18,362 | 13,211 | 6,911
Investment securities transactions, net | (17,285) | (33,209) | (11,956)
Impairment charges on available for sale securities | 977 | 8,416 |
Accretion of junior subordinated debenture discounts | 9 | 35 | 34
Amortization of identified intangible assets | 5,293 | 5,284 | 5,286
Stock based compensation expense | 387 | 534 | 655
Earnings from affiliates and other investments | (11,633) | (15,023) | (16,891)
Deferred tax benefit | (2,299) | (3,532) | (3,035)
Decrease in accrued interest receivable | 3,658 | 6,071 | 6,981
Decrease (increase) in other assets | 3,376 | 7,824 | (28,656)
(Decrease) increase in other liabilities | (4,966) | 1,652 | (12,253)
Net cash provided by operating activities | 181,896 | 178,155 | 182,709
Investing activities: |  |  |
Proceeds from maturities of securities | 1,425 | 4,423 | 1,637
Proceeds from sales and calls of available for sale securities | 1,102,849 | 1,149,021 | 579,099
Purchases of available for sale securities | (2,231,330) | (2,666,596) | (1,280,925)
Principal collected on mortgage backed securities | 999,419 | 1,085,817 | 1,224,938
Proceeds from matured time deposits with banks |  |  | 396
Net decrease in loans | 317,718 | 164,241 | 112,663
Purchases of other investments | (11,941) | (7,438) | (11,430)
Distributions from other investments | 33,320 | 20,910 | 56,988
Purchases of bank premises and equipment | (20,393) | (15,953) | (61,015)
Proceeds from sales of bank premises and equipment | 1,719 | 2,005 | 1,052
Proceeds from sales of other real estate owned | 13,448 | 8,362 | 15,066
Purchase, adjustment of identified intangible asset | (174) | (235) | (259)
Net cash provided by (used in) investing activities | 206,060 | (255,443) | 638,210
Financing activities: |  |  |
Net increase in non-interest bearing demand deposits | 287,942 | 122,277 | 57,129
Net increase in savings and interest bearing demand deposits | 184,851 | 260,290 | 180,950
Net (decrease) increase in time deposits | (126,248) | 38,998 | 81,158
Net (decrease) increase in securities sold under repurchase agreements | (84,641) | (8,547) | 686
Other borrowed funds, net | (532,619) | (320,845) | (1,175,361)
Repayment of long-term debt | (10,400) |  |
Purchase of treasury stock | (6,435) | (6,949) | (9,346)
Proceeds from stock transactions | 113 | 484 | 2,705
Payments of cash dividends-common | (25,648) | (24,444) | (23,262)
Payments of cash dividends-preferred | (10,800) | (10,800) | (9,660)
Net cash (used in) provided by financing activities | (323,885) | 50,464 | (895,001)
Increase (decrease) in cash and cash equivalents | 64,071 | (26,824) | (74,082)
Cash and cash equivalents at beginning of year | 197,814 | 224,638 | 298,720
Cash and cash equivalents at end of year | 261,885 | 197,814 | 224,638
Supplemental cash flow information: |  |  |
Interest paid | 97,699 | 116,037 | 146,778
Income taxes paid | 60,922 | 78,435 | 83,830
Purchases of available-for-sale securities not yet settled | 72,538 | 160,216 | 100,829
Net transfers from loans to other real estate owned | 21,202 | 59,429 | 22,487
Accrued dividends, preferred shares | $ 1,350 | $ 1,350 | $ 1,350

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- Definition The periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings when the security was purchased at a discount. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method. + References No definition available. + Details
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- Definition The periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings when the security was purchased at a premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method. + References No definition available. + Details
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- Definition This element represents noncash expenses charged to earning related to change in fair value of loans payable on other real estate owned during the reporting period. + References No definition available. + Details
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- Definition The expense of depreciation and amortization charged against earnings for the periodic recognition of capitalized leases. This element may apply to energy companies that lease mineral producing properties and to other enterprises that capitalize property, plant, or equipment obtained through capital leases. + References No definition available. + Details
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- Definition The component of interest expense representing the noncash expenses charged against earnings in the period to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate caption: Noncash Interest Expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 8 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 + Details
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- Definition Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3044-108585 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition The increase (decrease) during the reporting period in the amount due from borrowers for interest payments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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