Quarterly report pursuant to Section 13 or 15(d)

Supplementary Information For Statement of Cash Flows (Details)

v3.19.2
Supplementary Information For Statement of Cash Flows (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Jun. 30, 2018
Dec. 31, 2017
Supplementary Information For Statement of Cash Flows        
Cash and cash equivalents $ 6,536 $ 6,372 $ 7,530  
Restricted cash 7,461 7,458 7,459  
Total $ 13,997 $ 13,830 $ 14,989 $ 11,437