Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Accumulated other comprehensive income (loss) (Details)

v3.6.0.2
Summary of Significant Accounting Policies - Accumulated other comprehensive income (loss) (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Jun. 30, 2015
Jun. 30, 2014
Summary of Significant Accounting Policies        
Reclassifications $ 0 $ 0 $ 0 $ 0