XML 91 R58.htm IDEA: XBRL DOCUMENT v3.19.3
Other Current Assets and Other Assets - Other Current Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Other Current Assets and Other Assets      
Non-trade receivables $ 6,624   $ 7,848
Prepaid maintenance 3,471   3,330
Prepaid other 1,509   1,101
Prepaid rent 840   4,442
Prepaid purchase orders 839   998
Prepaid insurance 744   258
Prepaid education and training 379   597
Other 209   157
Total other current assets $ 14,615 $ 12,961 $ 18,731