Debt Instrument, Number of Credit Facilities

No definition available.

Name:	dhcp_DebtInstrumentNumberofCreditFacilities
Namespace Prefix:	dhcp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dhcp_DitechAgencyAdvanceTrustFinancingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dhcp_DitechPLSAdvanceTrustFinancingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_WarehouseAgreementBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dhcp_ExitWarehouseFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Servicing Advance Liabilities - Additional Information (Detail) $ in Millions	Dec. 31, 2018 USD ($)	Feb. 12, 2018 Credit_Facility	Dec. 31, 2017
Secured Debt [Member]
Short-term Debt [Line Items]
Number of credit facilities \| Credit_Facility		2
Weighted-average stated interest rate	5.40%		4.61%
Secured Debt [Member] \| DAAT Facility [Member]
Short-term Debt [Line Items]
Aggregate borrowing capacity	$ 465.0
Variable interest rate basis	lender's applicable index
Interest rate spread	2.25%
Secured Debt [Member] \| DPATII Facility [Member]
Short-term Debt [Line Items]
Aggregate borrowing capacity	$ 85.0
Variable interest rate basis	lender's applicable index
Interest rate spread	2.25%
Warehouse Agreement Borrowings [Member]
Short-term Debt [Line Items]
Weighted-average stated interest rate	5.86%		5.47%
Warehouse Agreement Borrowings [Member] \| Exit Warehouse Facility [Member]
Short-term Debt [Line Items]
Aggregate borrowing capacity	$ 1,900.0
Variable interest rate basis	lender's applicable index