XML 27 R34.htm IDEA: XBRL DOCUMENT v3.19.3
Leases - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Lessee, Lease, Description [Line Items]      
Operating lease, discount rate   7.25%  
Operating lease, weighted average remaining lease term   2 years 10 months  
Restructured lease, weighted average remaining lease term   1 year 9 months  
Finance lease, weighted average remaining lease term   2 years 7 months  
Restricted cash held   $ 342 $ 342
Operating lease, impairment loss $ 200    
2017 Restructuring Plan | Facilities      
Lessee, Lease, Description [Line Items]      
Reclassification upon adoption of Topic 842 $ 273