Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details Textual 1)

v3.6.0.2
Borrowings (Details Textual 1) - USD ($)
1 Months Ended
Nov. 30, 2016
Apr. 30, 2012
Debt Instrument [Line Items]    
Derivative fixed average interest rate 1.10% 2.80%
LIBOR [Member]    
Debt Instrument [Line Items]    
Floating LIBOR rate debt $ 250,000,000.0 $ 500,000,000