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Segment Information - Components of Corporate/Other (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Segment Reporting Information [Line Items] |  |  |  |
Interest income | $ 60,906 | $ 63,484 | $ 190,021 | $ 190,603
Interest expense | (21,597) | (23,875) | (67,991) | (70,844)
Net Interest Income | 39,309 | 39,609 | 122,030 | 119,759
Investment fair value changes, net | 11,918 | (14,169) | (18,686) | (17,105)
Realized gains, net | 6,615 | 5,548 | 26,037 | 16,170
Total non-interest income (loss), net | 33,712 | (3,412) | 49,054 | 5,661
Direct operating expenses | (20,355) | (24,497) | (70,962) | (74,778)
Provision for income taxes | (972) | 7,404 | (1,327) | 10,272
Net Income | 52,553 | 19,164 | 105,897 | 61,029
Corporate/Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 4,899 | 6,104 | 14,672 | 19,598
Interest expense | (12,758) | (13,400) | (38,195) | (40,830)
Net Interest Income | (7,859) | (7,296) | (23,523) | (21,232)
Investment fair value changes, net | (258) | (547) | (2,181) | (2,360)
Realized gains, net | 0 | 0 | 292 | 0
Total non-interest income (loss), net | (258) | (547) | (1,889) | (2,360)
Direct operating expenses | (11,797) | (8,772) | (44,746) | (28,326)
Provision for income taxes | 0 | 1,021 | 0 | 2,565
Net Income | (19,914) | (15,594) | (70,158) | (49,353)
Corporate/Other | Legacy Consolidated VIEs |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 4,837 | 6,098 | 14,525 | 19,578
Interest expense | (3,274) | (3,842) | (9,842) | (12,372)
Net Interest Income | 1,563 | 2,256 | 4,683 | 7,206
Investment fair value changes, net | (255) | (501) | (2,086) | (2,277)
Realized gains, net |  |  | 0 | 0
Total non-interest income (loss), net | (255) | (501) | (2,086) | (2,277)
Direct operating expenses | 0 | 0 | 0 | 0
Provision for income taxes | 0 | 0 | 0 | 0
Net Income | 1,308 | 1,755 | 2,597 | 4,929
Corporate/Other | Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 62 | 6 | 147 | 20
Interest expense | (9,484) | (9,558) | (28,353) | (28,458)
Net Interest Income | (9,422) | (9,552) | (28,206) | (28,438)
Investment fair value changes, net | (3) | (46) | (95) | (83)
Realized gains, net |  |  | 292 | 0
Total non-interest income (loss), net | (3) | (46) | 197 | (83)
Direct operating expenses | (11,797) | (8,772) | (44,746) | (28,326)
Provision for income taxes | 0 | 1,021 | 0 | 2,565
Net Income | $ (21,222) | $ (17,349) | $ (72,755) | $ (54,282)

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