XML 79 R41.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt Obligations (Amended Term Loan Facility) (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Sep. 30, 2014
Jan. 24, 2014
Amended Term Loan Facility [Member]      
Debt Instrument [Line Items]      
Number of subsidiaries   2end_NumberOfSubsidiaries
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
 
Credit facility initiation date Jan. 24, 2014    
Debt principal amount     $ 125,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
Amount advanced $ 440,000,000end_DebtInstrumentAmountAdvanced
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
440,000,000end_DebtInstrumentAmountAdvanced
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
 
Debt maturity date Jan. 02, 2017    
Discount rate   2.00%end_DebtInstrumentDiscountRate
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
 
London Interbank Offered Rate (LIBOR) [Member] | Amended Term Loan Facility [Member]      
Debt Instrument [Line Items]      
LIBOR floor rate   1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
 
London Interbank Offered Rate (LIBOR) [Member] | Monetary Production Payments [Member]      
Debt Instrument [Line Items]      
Interest rate   10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= end_MonetaryProductionPaymentsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
 
Minimum [Member] | Amended Term Loan Facility [Member]      
Debt Instrument [Line Items]      
Asset coverage ratio 1.0end_AssetCoverageRatio
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Maximum [Member] | Amended Term Loan Facility [Member]      
Debt Instrument [Line Items]      
Leverage ratio 2.75us-gaap_RatioOfIndebtednessToNetCapital1
/ us-gaap_DebtInstrumentAxis
= end_AmendedTermLoanFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember