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Distressed and Other Residential Mortgage Loans, Net - Allowance for Loan Losses on Residential Mortgage Loans Held in Securitization Trusts (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 3,759	$ 4,191
Provision for (recovery of) loan losses	25	(93)
Transfer to real estate owned	(167)	0
Charge-offs	(109)	(435)
Balance at the end of period	$ 3,508	$ 3,663

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of financing receivable reclassified to held-for-sale.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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