v3.3.0.814

Realized and Net Change in Unrealized Gains (Losses) on Financial Instruments on Financial Instruments on Which Fair Value Option was Elected (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Realized Gains (Losses) | Liabilities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments |  | $ (1,822) |  | $ (5,914)
Realized Gains (Losses) | Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | $ 2,557 | 7,710 | $ 867 | (47,140)
Realized Gains (Losses) | Corporate Bonds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (988) | 174 | (867) | (2,012)
Realized Gains (Losses) | Senior Secured Notes |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments |  | (1,822) |  | (5,914)
Realized Gains (Losses) | Other |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | 1,003 | 7,620 | 4,276 | 20,914
Realized Gains (Losses) | Equity and Preferred Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (36) | (468) | (273) | (1,791)
Realized Gains (Losses) | Corporate Loans |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | 2,578 | 384 | (2,269) | (64,251)
Net Change In Unrealized Gains (Losses) | Liabilities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | 34,235 | (15,920) | 23,997 | (55,944)
Net Change In Unrealized Gains (Losses) | Loans and Receivables |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (1,235) |  | (1,832) |
Net Change In Unrealized Gains (Losses) | Debt Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (342) |  | (342) |
Net Change In Unrealized Gains (Losses) | Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (49,097) | (52,540) | (15,119) | 25,580
Net Change In Unrealized Gains (Losses) | Corporate Bonds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (4,578) | (4,069) | (62) | (375)
Net Change In Unrealized Gains (Losses) | Senior Secured Notes |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments |  | (38,651) |  | (134,289)
Net Change In Unrealized Gains (Losses) | Subordinated Notes |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | 34,235 | 22,731 | 23,997 | 78,345
Net Change In Unrealized Gains (Losses) | Other |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (305) | (1,032) | (3,636) | 18,523
Net Change In Unrealized Gains (Losses) | Equity and Preferred Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | (3,749) | (5,870) | (11,240) | 44
Net Change In Unrealized Gains (Losses) | Corporate Loans |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Realized and net change in unrealized gains (losses) on financial instruments | $ (38,888) | $ (41,569) | $ 1,993 | $ 7,388

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