Valuation (Fair Value of Other Financial Instruments) (Details) - USD ($) $ in Thousands |
Mar. 31, 2020 |
Dec. 31, 2019 |
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|---|---|---|---|---|
| Assets: | ||||
| Cash and cash equivalents | [1] | $ 136,740 | $ 72,302 | |
| Due from brokers | [1] | 166,516 | 79,829 | |
| Repurchase agreements, at fair value | 13,239 | 73,639 | ||
| Liabilities: | ||||
| Repurchase agreements | [1] | 2,034,225 | 2,445,300 | |
| Other secured borrowings | [1] | 177,855 | 150,334 | |
| Senior notes, net | 85,363 | 85,298 | ||
| Due to brokers | 17,138 | 2,197 | ||
| Fair Value | ||||
| Assets: | ||||
| Cash and cash equivalents | 136,740 | 72,302 | ||
| Restricted cash | 175 | 175 | ||
| Due from brokers | 166,516 | 79,829 | ||
| Repurchase agreements, at fair value | 13,239 | 73,639 | ||
| Liabilities: | ||||
| Repurchase agreements | 2,034,225 | 2,445,300 | ||
| Other secured borrowings | 177,855 | 150,334 | ||
| Senior notes, net | 77,400 | 88,365 | ||
| Due to brokers | 17,138 | 2,197 | ||
| Carrying Value | ||||
| Assets: | ||||
| Cash and cash equivalents | 136,740 | 72,302 | ||
| Restricted cash | 175 | 175 | ||
| Due from brokers | 166,516 | 79,829 | ||
| Repurchase agreements, at fair value | 13,239 | 73,639 | ||
| Liabilities: | ||||
| Repurchase agreements | 2,034,225 | 2,445,300 | ||
| Other secured borrowings | 177,855 | 150,334 | ||
| Senior notes, net | 85,363 | 85,298 | ||
| Due to brokers | $ 17,138 | $ 2,197 | ||
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