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Allowance for Loan Losses (Tables) | 6 Months Ended
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Jun. 30, 2012
ALLOWANCE FOR LOAN LOSSES [Abstract] |
Allowance for Credit Losses on Financing Receivables [Table Text Block] | The following table summarizes the aggregate activity for the portion of the allowance for loan losses that relates to the securitized mortgage loan portfolio for the periods indicated:
| Three Months Ended
| June 30,
| 2012 |  | 2011
| Commercial |  | Single-family |  | Commercial |  | Single-family
Allowance at beginning of period | $ | 1,341 |  |  | $ | 231 |  |  | $ | 4,237 |  |  | $ | 249 |
Provision for loan losses | — |  |  | — |  |  | 200 |  |  | — |
Credit losses, net of recoveries | 14 |  |  | — |  |  | (1,368 | ) |  | (41 | )
Allowance at end of period | $ | 1,355 |  |  | $ | 231 |  |  | $ | 3,069 |  |  | $ | 208 |
| Six Months Ended
| June 30,
| 2012 |  | 2011
| Commercial |  | Single-family |  | Commercial |  | Single-family
Allowance at beginning of period | $ | 2,268 |  |  | $ | 231 |  |  | $ | 4,200 |  |  | $ | 270 |
Provision for loan losses | 60 |  |  | — |  |  | 450 |  |  | — |
Credit losses, net of recoveries | (973 | ) |  | — |  |  | (1,581 | ) |  | (62 | )
Allowance at end of period | $ | 1,355 |  |  | $ | 231 |  |  | $ | 3,069 |  |  | $ | 208 |
Schedule of Participating Mortgage Loans [Table Text Block] | The following table presents certain information on impaired securitized commercial and single-family mortgage loans as of June 30, 2012 and December 31, 2011:
| June 30, 2012 |  | December 31, 2011
| Commercial |  | Single-family |  | Commercial |  | Single-family
Unpaid principal balance of impaired securitized loans | $ | 1,776 |  |  | $ | 3,663 |  |  | $ | 4,724 |  |  | $ | 3,000 |
Basis adjustments related to impaired securitized loans | 1 |  |  | 55 |  |  | 8 |  |  | 48 |
Amortized cost basis of impaired securitized loans | 1,777 |  |  | 3,718 |  |  | 4,732 |  |  | 3,048 |
Allowance for loan losses | (1,355 | ) |  | (231 | ) |  | (2,268 | ) |  | (231 | )
Investment in excess of allowance | $ | 422 |  |  | $ | 3,487 |  |  | $ | 2,464 |  |  | $ | 2,817 |

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- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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- Definition Tabular disclosure of the activity by class in any valuation allowance for impairment of recognized servicing assets - including beginning and ending balances, aggregate additions charged and recoveries credited to operations, and aggregate write-downs charged against allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122739-111746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph g(5) -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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