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Borrowings Schedule of Redemption Prices (Details) - Secured Debt [Member]
6 Months Ended
Jun. 30, 2017
2018 [Member]  
Debt Instrument [Line Items]  
Redemption price 106.281%
2019 [Member]  
Debt Instrument [Line Items]  
Redemption price 104.188%
2020 [Member]  
Debt Instrument [Line Items]  
Redemption price 102.094%
2021 and Thereafter [Member]  
Debt Instrument [Line Items]  
Redemption price 100.00%