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Consolidated K-Series - Condensed Statement of Operations of Consolidated K-Series (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Condensed Income Statements, Captions [Line Items] |  |
Interest expense | $ 163,531 | $ 121,779
NET INTEREST INCOME | 47,082 | 26,203
Unrealized (losses) gains, net | (396,780) | 2,708
VIE, Primary Beneficiary | Consolidated K-Series |  |
Condensed Income Statements, Captions [Line Items] |  |
Interest income | 151,841 | 111,768
Interest expense | 129,762 | 96,797
NET INTEREST INCOME | 22,079 | 14,971
Unrealized (losses) gains, net | (10,951) | 9,410
Net income | $ 11,128 | $ 24,381

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