XML 42 R33.htm IDEA: XBRL DOCUMENT
v3.6.0.2

REGULATORY SETTLEMENTS - Additional Information (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Inquiry Settlement | $ 2,250 | $ 2,250
Inquiry Settlement Penalties | 500 | 500
Loss Contingency Accrual | 2,750 | 2,750
Letter of Credit [Member] |  |
Letter Of Credit Title IV Disbursement, Amount | 68,400 | 68,400
Permanent Injunction And Monetary Judgment Agreement [Member] |  |
Settlement Payment | 49,400 | 49,400
Forgivable Of Loan | 30,400 | 30,400
Forgivable Of Account Receivable | 20,200 | 20,200
Regulatory Settlement Charge | 56,300 | 56,300
Loan Write Offs | 4,100 | 4,100
Business Technology And Management [Member] |  |
Regulatory Settlement Charge | 4,100 | 4,100
Home Office And Other [Member] |  |
Regulatory Settlement Charge | $ 52,200 | $ 52,200

X
- Definition This element represents the amount of loan forgiven. + References No definition available. + Details
Name: | dv_ForgivableOfLoan
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represent the amount of account receivable forgivable during the period. + References No definition available. + Details
Name: | dv_ForgiveableOfAccountReceivable
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement awarded to (against) the entity in respect of inquiry. + References No definition available. + Details
Name: | dv_InquirySettlement
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the amounts of inquiry settlement penalties. + References No definition available. + Details
Name: | dv_InquirySettlementPenalties
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Its represent the amount of letter of credit disbursements. + References No definition available. + Details
Name: | dv_LetterOfCreditTitleIvDisbursementAmount
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loans write offs. + References No definition available. + Details
Name: | dv_LoanWriteOffs
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents the amount of regulatory settlement charge during the period. + References No definition available. + Details
Name: | dv_RegulatorySettlementCharge
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash settlment made during the period. + References No definition available. + Details
Name: | dv_SettlementPayment
Namespace Prefix: | dv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=dv_PermanentInjunctionAndMonetaryJudgmentAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dv_BusinessTechnologyAndManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dv_HomeOfficeAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |