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Other Assets and Liabilities - Additional Information (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 USD ($) Location | Mar. 31, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) Location | Jun. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) Location
Other Assets and Other Liabilities [Line Items] |  |  |  |  |  |
Real estate owned (REO) | $ 6,493 |  |  | $ 6,493 |  | $ 4,896
Amount related to transfers into REO |  |  |  | 6,000 |  |
REO liquidations |  |  |  | 6,000 |  |
Unrealized loss resulting from market valuation adjustments on REO |  |  |  | 1,000 |  |
Restructuring charges | (118) | $ 11,000 | $ 0 | 10,541 | $ 0 |
Adjustments in restructuring | $ 0 |  |  | $ (3,486) |  |
Sequoia |  |  |  |  |  |
Other Assets and Other Liabilities [Line Items] |  |  |  |  |  |
Number of REO properties recorded on balance sheet | Location | 22 |  |  | 22 |  | 23
Termination Benefits |  |  |  |  |  |
Other Assets and Other Liabilities [Line Items] |  |  |  |  |  |
Restructuring charges | $ 55 | 9,000 |  | $ 8,793 |  |
Adjustments in restructuring | 0 | (3,000) |  | (3,486) |  |
Contract Termination Costs |  |  |  |  |  |
Other Assets and Other Liabilities [Line Items] |  |  |  |  |  |
Restructuring charges | (173) | $ 2,000 |  | 1,748 |  |
Adjustments in restructuring | $ 0 |  |  | $ 0 |  |

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- Definition Amount of realized and unrealized gain (loss), from the firm's direct investment activity, conducted separately from customer trading activities, and includes, but is not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(g),(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2,3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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