Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities - Additional Information (Details)

v3.10.0.1
Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Mar. 31, 2010
Sep. 30, 2018
Jun. 30, 2018
Jun. 30, 2014
Interest Rate Swap        
Derivative Instruments, Gain (Loss) [Line Items]        
Decrease in other expenses   $ 252    
Interest Rate Swap | Interest Rate Swap Contract 3        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative, term of contract 14 years      
Interest rate swap, notional amount $ 27,900      
Interest rate swap, variable interest rate (3.74%)      
Interest rate swap, amount reclassified     $ 34 $ 566
Decrease in deferred liabilities   $ 252