Annual report pursuant to Section 13 and 15(d)

Interest Rate Hedge Swaps - Additional Information (Details)

v3.6.0.2
Interest Rate Hedge Swaps - Additional Information (Details)
Mar. 31, 2016
USD ($)
Instrument
Feb. 28, 2013
USD ($)
Instrument
Dec. 20, 2012
USD ($)
Interest Rate Swap [Member]      
Derivative [Line Items]      
Number of derivative agreements | Instrument   2  
Notional amount $ 26,300,000 $ 52,500,000  
Fixed interest rate   0.865%  
Number of instruments terminated | Instrument 1    
Notional amount terminated $ 26,300,000    
Secured Debt [Member] | Key Bank [Member]      
Derivative [Line Items]      
Maximum borrowing capacity   $ 70,000,000 $ 70,000,000