Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Balance Sheet Components - Schedule of Gross Accounts Receivable Balance Concentrations by Major Category (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable $ 37,657 $ 34,710
Rental    
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable 4,616 6,236
Business To Business And Other Receivables    
Accounts Notes And Loans Receivable [Line Items]    
Gross accounts receivable $ 33,041 $ 28,474