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Schedule IV - Mortgage Loans on Real Estate (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Residential whole loans, at carrying value, beginning balance | $ 797,987 |
Residential whole loans, at fair value, beginning balance | 1,665,978 | [1]
Residential whole loans, at carrying value, ending balance | 698,474 |
Residential whole loans, at fair value, ending balance | $ 1,381,583 | [1]
Residential whole loans, at fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 23,536 |
Balance Sheet Reported Amount | $ 7,450,709 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | 967,640 |
Tax basis of loans | $ 7,300,000 |
Residential whole loans, at fair value | Carrying value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 17,081 |
Balance Sheet Reported Amount | $ 6,069,126 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | 200,319 |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Residential whole loans, at carrying value, beginning balance | 3,016,715 |
Purchases and capitalized advances | 4,208,603 |
Premium amortization/discount accretion, net | 29,204 |
Cash collections for principal and liquidations | (1,161,375) |
Provision for loan loss | (2,057) |
Repurchases | (5,447) |
Transfer to REO | (19,298) |
Residential whole loans, at carrying value, ending balance | $ 6,066,345 |
Residential whole loans, at fair value | Fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 6,455 |
Balance Sheet Reported Amount | $ 1,381,583 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | 767,321 |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Residential whole loans, at fair value, beginning balance | 1,665,978 |
Purchases and capitalized advances | 40,264 |
Cash collections for principal and liquidations | (152,012) |
Changes in unrealized gain/(losses) | 47,849 |
Repurchases | (1,337) |
Transfer to REO | (219,159) |
Residential whole loans, at fair value, ending balance | $ 1,381,583 |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Carrying value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 4,783 |
Balance Sheet Reported Amount | $ 426,999 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 19,807 |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Carrying value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 0.00% |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Carrying value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 13.08% |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 2,329 |
Balance Sheet Reported Amount | $ 188,123 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 94,392 |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Fair value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 0.00% |
Original loan balance $0 - $149,999 | Residential whole loans, at fair value | Fair value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 14.99% |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Carrying value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 5,472 |
Balance Sheet Reported Amount | $ 1,059,013 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 49,221 |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Carrying value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 0.00% |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Carrying value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 13.49% |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 2,170 |
Balance Sheet Reported Amount | $ 393,282 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 210,176 |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Fair value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 1.92% |
Original loan balance $150,000 - $299,999 | Residential whole loans, at fair value | Fair value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 11.53% |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Carrying value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 3,380 |
Balance Sheet Reported Amount | $ 1,168,588 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 49,674 |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Carrying value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 1.90% |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Carrying value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 10.50% |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 1,364 |
Balance Sheet Reported Amount | $ 434,319 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 241,382 |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Fair value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 0.00% |
Original loan balance $300,000 - $449,999 | Residential whole loans, at fair value | Fair value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 10.75% |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Carrying value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 3,446 |
Balance Sheet Reported Amount | $ 3,414,526 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 81,617 |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Carrying value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 1.90% |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Carrying value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 11.25% |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Fair value |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Number (loans) | loan | 592 |
Balance Sheet Reported Amount | $ 365,859 |
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 221,371 |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Fair value | Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 2.00% |
Original loan balance greater than $449,999 | Residential whole loans, at fair value | Fair value | Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Interest Rate | 10.20% |
Non-QM loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Allowance for losses | $ 388 |
Certain rehabilitation loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Allowance for losses | 2,300 |
Single-family rental loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Allowance for losses | $ 62 |
[1] | Includes approximately $186.4 million and $209.4 million of Residential whole loans, at carrying value and $567.4 million and $694.7 million of Residential whole loans, at fair value transferred to consolidated variable interest entities (“VIEs”) at December 31, 2019 and 2018, respectively. Such assets can be used only to settle the obligations of each respective VIE.

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