Servicer and Protective Advances, Net - Additional Information (Details) $ in Thousands	Feb. 09, 2018 USD ($)
Fresh-Start Adjustments [Member]
Schedule of Servicer and Protective Advances [Line Items]
Decrease to servicer and protective advances	$ 24,367

Fresh-Start Adjustment, Increase (Decrease), Servicing And Protective Advances, Net

No definition available.

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Namespace Prefix:	dhcp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant