Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Schedule of Gross Accounts Receivable Balance Concentrations by Major Category (Details)

v3.19.2
Balance Sheet Components - Schedule of Gross Accounts Receivable Balance Concentrations by Major Category (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable $ 48,948 $ 39,062
Rental    
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable 3,110 3,406
Business To Business And Other Receivables    
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable $ 45,838 $ 35,656