XML 18 R8.htm IDEA: XBRL DOCUMENT v3.10.0.1
Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Statement Of Cash Flows [Abstract]      
Restricted cash, beginning balance $ 119 $ 117 $ 5,287
Restricted cash, ending balance $ 114 $ 119 $ 117