Quarterly report pursuant to Section 13 or 15(d)

Cash Equivalents - Additional Information (Details)

v3.20.1
Cash Equivalents - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Cash and Cash Equivalents [Line Items]      
Cash and cash equivalents $ 87,327 $ 90,498 $ 47,322
Money Market Funds [Member]      
Cash and Cash Equivalents [Line Items]      
Cash and cash equivalents 68,460 71,248  
Cash [Member]      
Cash and Cash Equivalents [Line Items]      
Cash and cash equivalents $ 18,800 $ 19,300