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Derivative Instruments - Summarize Information by Major Category of CDS Contracts (Detail) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 USD ($) Transactions | Dec. 31, 2015 USD ($) Transactions
Summary of information by major category of CDS contracts |  |
Gross principal notional outstanding | $ 820,988 | $ 970,883
Successor [Member] |  |
Summary of information by major category of CDS contracts |  |
Number of CDS transactions | Transactions | 8 | 14
Derivative, Average Remaining Maturity | 5 years | 4 years 3 months
Gross principal notional outstanding | $ 820,988 | $ 970,883
Successor [Member] | Credit Derivatives [Member] |  |
Summary of information by major category of CDS contracts |  |
Net derivative liabilities at fair value | $ 16,700 | $ 34,543
CLO [Member] | Successor [Member] |  |
Summary of information by major category of CDS contracts |  |
Number of CDS transactions | Transactions | 3 | 5
Derivative, Average Remaining Maturity | 8 months | 1 year 1 month
Gross principal notional outstanding | $ 176,384 | $ 295,254
CLO [Member] | Successor [Member] | Credit Derivatives [Member] |  |
Summary of information by major category of CDS contracts |  |
Net derivative liabilities at fair value | $ 399 | $ 1,837
Other [Member] | Successor [Member] |  |
Summary of information by major category of CDS contracts |  |
Number of CDS transactions | Transactions | 5 | 9
Derivative, Average Remaining Maturity | 6 years 2 months | 5 years 7 months
Gross principal notional outstanding | $ 644,604 | $ 675,629
Other [Member] | Successor [Member] | Credit Derivatives [Member] |  |
Summary of information by major category of CDS contracts |  |
Net derivative liabilities at fair value | $ 16,301 | $ 32,706

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- Definition Summary of information by major category of CDS contracts. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226006-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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