Quarterly report pursuant to Section 13 or 15(d)

Derivatives Instruments - Schedule of Gains (Losses) on Derivatives (Details)

v3.7.0.1
Derivatives Instruments - Schedule of Gains (Losses) on Derivatives (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Interest Rate Swap [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Unrealized gain (loss) on interest rate hedges $ 735 $ (3,675)