XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt, Net - Conversion and EPS Impact of Convertible Notes Hedging Transactions (Details) - Convertible Notes $ / shares in Units, $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($) $ / shares
2020 Convertible Notes |
Debt Instrument [Line Items] |
Cost of the hedge transaction(s) | $ | $ 18,113
Conversion price (USD per share) | $ 45.72
2020 Convertible Notes | Hedging of Convertible Debt Instrument |
Debt Instrument [Line Items] |
Conversion price (USD per share) | $ 61.55
2021 Convertible Notes |
Debt Instrument [Line Items] |
Cost of the hedge transaction(s) | $ | $ 19,545
Conversion price (USD per share) | $ 59.39
2021 Convertible Notes | Hedging of Convertible Debt Instrument |
Debt Instrument [Line Items] |
Conversion price (USD per share) | $ 83.14

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- 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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The premium (cost) of a hedge, expensed during the period. + References No definition available. + Details
Name: | us-gaap_DerivativeCostOfHedge
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ecpg_TwoThousandTwentyConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=ecpg_HedgingofConvertibleDebtInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ecpg_TwoThousandTwentyOneConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |