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+ Details

The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

+ Details

Securities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
Securities (Narrative) (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sale of securities available-for-sale	$ 52,800,000	$ 46,300,000	$ 199,302,000	$ 176,586,000
Gross realized gains on sales of securities available-for-sale	394,000	715,000	2,500,000	2,000,000
Gross realized losses on sales of securities available-for-sale	42,000	490,000	219,000	490,000
Recognized gains (losses) on trading securities portfolio	390,000	203,000	696,000	456,000
Impairment charges against earnings	$ 0	$ 0	$ 434,000	$ 0
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 Less Than 12 Months [Member] \| Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities			13
Continuous Unrealized Loss Position Less Than 12 Months [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 Less Than 12 Months [Member] \| GSE Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities			1
Pass Through [Member] \| 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			37
Pass Through [Member] \| 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			20
Non Pass Through [Member] \| 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			7
Non Pass Through [Member] \| 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			20