Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information - Cash and Restricted Cash Reconciliation (Details)

v3.19.2
Supplemental Cash Flow Information - Cash and Restricted Cash Reconciliation (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Jun. 30, 2018
Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract]        
Cash and cash equivalents $ 82,200 $ 57,854 $ 52,553  
Restricted cash included in prepaid and other current assets 1,759   1,332  
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows $ 83,959 $ 59,726 $ 53,885 $ 67,243