Residential Loans at Amortized Cost, Net - Additional Information (Details) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Feb. 09, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum period after which residential loans are placed on non-accrual status	90 days	90 days
Minimum duration for past due residential loans to be considered non-performing		30 days
Recorded investment in loans 30 days or more past due	$ 3,600	$ 3,600		$ 74,400
Percentage threshold for state concentrations of residential loans		5.00%
Fresh-Start Adjustments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduction to residential loans at amortized cost			$ 317,189