Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Narrative) (Details)

v3.19.3
Commitments and Contingencies (Narrative) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract]    
Outstanding performance and payment bonds $ 8,000 $ 8,000