XML 53 R35.htm IDEA: XBRL DOCUMENT v3.7.0.1
Notes Receivable-Related Party (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Receivables [Abstract]      
Notes Receivable, Related Parties, Noncurrent $ 2,466 $ 2,644 $ 2,817