v2.4.0.6

Securities (Tables) | 12 Months Ended
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Dec. 31, 2011
Available-for-sale Securities [Abstract] |
Securities Available for Sale | The following table summarizes the amortized cost, gross unrealized gains and losses and the resulting fair value of securities available for sale:
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
December 31, 2011 |  | (in thousands)
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations |  | $ | 678,631 |  |  | $ | 19,323 |  |  | $ | (2,000 | ) |  | $ | 695,954 |
State and municipal securities |  | 263,075 |  |  | 22,746 |  |  | (58 | ) |  | 285,763 |
U.S. government agency and government-sponsored enterprise securities |  | 42,558 |  |  | 505 |  |  | — |  |  | 43,063 |
Other securities |  | 3,296 |  |  | 64 |  |  | (30 | ) |  | 3,330 |
Total |  | $ | 987,560 |  |  | $ | 42,638 |  |  | $ | (2,088 | ) |  | $ | 1,028,110 |
December 31, 2010 |  |  |  |  |  |  |  |
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations |  | $ | 491,530 |  |  | $ | 16,139 |  |  | $ | (1,027 | ) |  | $ | 506,642 |
State and municipal securities |  | 249,117 |  |  | 7,247 |  |  | (2,383 | ) |  | 253,981 |
Other securities |  | 3,281 |  |  | — |  |  | (38 | ) |  | 3,243 |
Total |  | $ | 743,928 |  |  | $ | 23,386 |  |  | $ | (3,448 | ) |  | $ | 763,866 |
Schedule of Contractual Maturities of Investment Securities Available for Sale | The following table summarizes the amortized cost and fair value of securities available for sale by contractual maturity groups:
|  | December 31, 2011
|  | Amortized Cost |  | Fair Value
|  | (in thousands)
Due within one year |  | $ | 18,310 |  |  | $ | 18,610 |
Due after one year through five years |  | 52,418 |  |  | 54,635 |
Due after five years through ten years |  | 204,470 |  |  | 212,605 |
Due after ten years |  | 709,066 |  |  | 738,930 |
Total investment securities available-for-sale |  | $ | 984,264 |  |  | $ | 1,024,780 |
Carrying Value of Securities Pledged As Collateral | The following table summarizes, as of December 31, 2011 and 2010, the carrying value of securities pledged as collateral to secure public deposits, borrowings and other purposes as permitted or required by law:
|  | December 31, 2011 |  | December 31, 2010
|  | (in thousands)
To Washington and Oregon State to secure public deposits |  | $ | 225,345 |  |  | $ | 153,328 |
To Federal Home Loan Bank to secure advances |  | 91,097 |  |  | 110,780 |
To Federal Reserve Bank to secure borrowings |  | 56,347 |  |  | 149,315 |
Other securities pledged |  | 47,454 |  |  | 45,109 |
Total securities pledged as collateral |  | $ | 420,243 |  |  | $ | 458,532 |
Summary of Gross Unrealized Losses and Fair Value of the Investments with Unrealized Losses | The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at December 31, 2011 and 2010:
|  | Less than 12 Months |  | 12 Months or More |  | Total
|  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
December 31, 2011 |  | (in thousands)
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations |  | $ | 238,875 |  |  | $ | (1,999 | ) |  | $ | 196 |  |  | $ | (1 | ) |  | $ | 239,071 |  |  | (2,000 | )
State and municipal securities |  | 3,820 |  |  | (24 | ) |  | 950 |  |  | (34 | ) |  | 4,770 |  |  | (58 | )
Other securities |  | — |  |  | — |  |  | 970 |  |  | (30 | ) |  | 970 |  |  | (30 | )
Total |  | $ | 242,695 |  |  | $ | (2,023 | ) |  | $ | 2,116 |  |  | $ | (65 | ) |  | $ | 244,811 |  |  | $ | (2,088 | )
December 31, 2010 |  |
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations |  | $ | 86,529 |  |  | $ | (1,025 | ) |  | $ | 588 |  |  | $ | (2 | ) |  | $ | 87,117 |  |  | $ | (1,027 | )
State and municipal securities |  | 74,755 |  |  | (2,099 | ) |  | 2,792 |  |  | (284 | ) |  | 77,547 |  |  | (2,383 | )
Other securities |  | 2,275 |  |  | (6 | ) |  | 968 |  |  | (32 | ) |  | 3,243 |  |  | (38 | )
Total |  | $ | 163,559 |  |  | $ | (3,130 | ) |  | $ | 4,348 |  |  | $ | (318 | ) |  | $ | 167,907 |  |  | $ | (3,448 | )

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- Definition Schedule of amortized cost and fair value of the debt securities available for sale portfolio of the entity by contractual maturity. The table includes maturity categories of: due in one year or less; due after one year through five years; due after five years through ten years; and due after ten years. A single line item is provided for "total securities with no stated maturity" in order for the total line item of the table to match total available for sale securities. + References No definition available. + Details
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- Definition Schedule reflecting the gross unrealized losses and fair values of the entity's investments, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of the date presented. + References No definition available. + Details
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- Definition Tabular disclosure of available-for-sale securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -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 Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 + Details
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- Definition Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6862952&loc=SL6224234-111729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -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 140 -Paragraph 17 -Subparagraph a(2) -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 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 + Details
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