XML 30 R20.htm IDEA: XBRL DOCUMENT v3.6.0.2
Fair Value (Detail Textuals) - USD ($)
$ in Thousands
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Fair Value Disclosures [Abstract]        
Cash and cash equivalents $ 47,904 $ 37,639 $ 47,129 $ 35,613