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Long-term Debt Interest Expense (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Debt Instrument [Line Items]    
Amortization of debt discounts $ 159,000us-gaap_AmortizationOfFinancingCostsAndDiscounts $ 0us-gaap_AmortizationOfFinancingCostsAndDiscounts
Total 2,772,000us-gaap_InterestExpenseDebt 0us-gaap_InterestExpenseDebt
Senior Loans [Member]    
Debt Instrument [Line Items]    
Interest expense, term loans 2,194,000us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_SeniorLoansMember
0us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_SeniorLoansMember
Junior Loans [Member]    
Debt Instrument [Line Items]    
Interest expense, term loans $ 419,000us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_JuniorLoansMember
$ 0us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_JuniorLoansMember