Quarterly report pursuant to Section 13 or 15(d)

Consolidated Financial Statements Details - Schedule of Cash, Cash Equivalents and Restricted Cash (Details)

v3.19.3
Consolidated Financial Statements Details - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Statement Of Financial Position [Abstract]        
Cash and cash equivalents $ 49,188 $ 37,539    
Long-term restricted cash 1,156 1,237    
Total cash, cash equivalents and restricted cash $ 50,344 $ 38,776 $ 46,127 $ 29,545