XML 133 R88.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Available for Sale Securities by Collateral Type (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Investment Holdings [Line Items] |  |
Available-for-sale securities | $ 1,286,235 | $ 1,558,306
Senior Securities |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 545,036 | 855,692
Senior Securities | Prime |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 358,813 | 662,306
Senior Securities | Non-prime |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 186,223 | 193,386
Re-REMIC |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 176,117 | 176,376
Subordinate Securities |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 565,082 | 526,238
Subordinate Securities | Prime |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | 564,932 | 526,095
Subordinate Securities | Non-prime |  |
Investment Holdings [Line Items] |  |
Available-for-sale securities | $ 150 | $ 143

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentHoldingsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration