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Securities Available-For-Sale (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items] |  |  |
Carrying value of securities available-for-sale | $ 14,400,000 | $ 14,300,000 |
Proceeds from sale of securities available-for-sale | 259,551,000 | 207,700,000 | 182,658,000
Gross realized gains on sales of securities available-for-sale | 3,100,000 | 3,000,000 | 2,900,000
Gross realized losses on sales of securities available-for-sale | 128,000 | 490,000 | 177,000
Impairment charges against earnings | 434,000 | 24,000 | 1,200,000
Equity Investments-Mutual Funds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 1 | 1 | 1
Mortgage Backed Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities |  |  | 2
Continuous Unrealized Loss Position 12 Months Or Longer [Member] | Non-GSE [Member] | Real Estate Mortgage Investment Conduits (REMICs) [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 1 |  |
Continuous Unrealized Loss Position 12 Months Or Longer [Member] | GSE [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 29 |  |
Continuous Unrealized Loss Position 12 Months Or Longer [Member] | GSE [Member] | Real Estate Mortgage Investment Conduits (REMICs) [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 6 |  |
Continuous Unrealized Loss Position Less Than 12 Months [Member] | Real Estate Mortgage Investment Conduits (REMICs) [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 16 |  |
Continuous Unrealized Loss Position Less Than 12 Months [Member] | GSE [Member] | Real Estate Mortgage Investment Conduits (REMICs) [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 1 |  |
Continuous Unrealized Loss Position Less Than 12 Months [Member] | GSE [Member] | Pass-through Certificates [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 17 |  |
Continuous Unrealized Loss Position Less Than 12 Months [Member] | Corporate Bonds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 9 |  |
Credit Component |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Impairment charges against earnings |  |  | 409,000
Non Credit Component |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Impairment charges against earnings |  |  | $ 743,000

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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 21 -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. + Details
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- Definition The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15D -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 FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15C -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. + Details
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