XML 37 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Securitized Mortage Loans, Net (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
SECURITIZED MORTGAGE LOANS, NET [Abstract] |
Allowance for Credit Losses on Financing Receivables [Table Text Block] | The following table summarizes the components of securitized mortgage loans as of September 30, 2012 and December 31, 2011:
| September 30, 2012 |  | December 31, 2011
| Commercial |  | Single-family |  | Total |  | Commercial |  | Single-family |  | Total
Principal/par value (1) | $ | 34,591 |  |  | $ | 43,007 |  |  | $ | 77,598 |  |  | $ | 68,029 |  |  | $ | 47,657 |  |  | $ | 115,686 |
Unamortized premium, net | — |  |  | 644 |  |  | 644 |  |  | — |  |  | 770 |  |  | 770 |
Unamortized discount, net | (77 | ) |  | — |  |  | (77 | ) |  | (254 | ) |  | — |  |  | (254 | )
Amortized cost | 34,514 |  |  | 43,651 |  |  | 78,165 |  |  | 67,775 |  |  | 48,427 |  |  | 116,202 |
Allowance for loan losses | (150 | ) |  | (267 | ) |  | (417 | ) |  | (2,268 | ) |  | (231 | ) |  | (2,499 | )
| $ | 34,364 |  |  | $ | 43,384 |  |  | $ | 77,748 |  |  | $ | 65,507 |  |  | $ | 48,196 |  |  | $ | 113,703 |
(1) | Includes funds held by trustees.

X
- Details
Name: | dx_SecuritizedMortgageLoansNetAbstract
Namespace Prefix: | dx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration