Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Leases - Cash Flow and cost (Details)

v3.19.2
Summary of Significant Accounting Policies - Leases - Cash Flow and cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Summary of Significant Accounting Policies    
Operating cash flows from operating leases (in thousands)   $ 2,194
Operating lease cost $ 1,024 2,014
Short-term lease cost $ 121 $ 168