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Residential Whole Loans (Interest Income Components) (Details) - Residential whole loans - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 83,486	$ 49,620
Non-QM Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	49,070	22,414
Rehabilitation loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	15,327	9,933
Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	7,343	2,701
Seasoned performing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	2,600	3,173
Purchased Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	74,340	38,221
Purchased credit impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 9,146	$ 11,399

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+ References

No definition available.

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- Definition

The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.1)
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

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