XML 84 R70.htm IDEA: XBRL DOCUMENT v3.10.0.1
Cash Flow Reconciliation (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 57,515 $ 78,922 $ 73,242 $ 83,015
Restricted cash 8,472 22,358 17,284 25,177
Total $ 65,987 $ 101,280 $ 90,526 $ 108,192